<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019e2c76-c7d1-7b02-82a7-70e93da39626,g:c93935e4-17c1-4ebc-9836-853c598c0f75-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.agcocorp.com/role/BasisofPresentationDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#BasisofPresentationDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/BasisofPresentationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_agco_BasisOfPresentationLineItems_019e2c76-caa7-7a4a-b6c2-d0c55aa77eee" xlink:href="agco-20260630.xsd#agco_BasisOfPresentationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_BasisOfPresentationTable_019e2c76-caa7-7e66-b282-ccf6f6b78991" xlink:href="agco-20260630.xsd#agco_BasisOfPresentationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_agco_BasisOfPresentationLineItems_019e2c76-caa7-7a4a-b6c2-d0c55aa77eee" xlink:to="loc_agco_BasisOfPresentationTable_019e2c76-caa7-7e66-b282-ccf6f6b78991" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_019e2c76-caa7-79a4-973d-cf99ea42be00" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_agco_BasisOfPresentationTable_019e2c76-caa7-7e66-b282-ccf6f6b78991" xlink:to="loc_srt_StatementGeographicalAxis_019e2c76-caa7-79a4-973d-cf99ea42be00" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019e2c76-caa7-79a4-973d-cf99ea42be00_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_019e2c76-caa7-79a4-973d-cf99ea42be00" xlink:to="loc_srt_SegmentGeographicalDomain_019e2c76-caa7-79a4-973d-cf99ea42be00_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019e2c76-caa7-7934-80bc-8b0c67fcd8e8" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_019e2c76-caa7-79a4-973d-cf99ea42be00" xlink:to="loc_srt_SegmentGeographicalDomain_019e2c76-caa7-7934-80bc-8b0c67fcd8e8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_TR_019e2c76-caa7-7356-9c51-a8d96ea2e28b" xlink:href="https://xbrl.sec.gov/country/2026/country-2026.xsd#country_TR"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e2c76-caa7-7934-80bc-8b0c67fcd8e8" xlink:to="loc_country_TR_019e2c76-caa7-7356-9c51-a8d96ea2e28b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_AR_019e2c76-caa7-7578-a145-00173a40f3de" xlink:href="https://xbrl.sec.gov/country/2026/country-2026.xsd#country_AR"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e2c76-caa7-7934-80bc-8b0c67fcd8e8" xlink:to="loc_country_AR_019e2c76-caa7-7578-a145-00173a40f3de" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_019e2c76-caa7-760c-b415-dee62999b036" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_agco_BasisOfPresentationTable_019e2c76-caa7-7e66-b282-ccf6f6b78991" xlink:to="loc_srt_ConsolidatedEntitiesAxis_019e2c76-caa7-760c-b415-dee62999b036" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_019e2c76-caa7-760c-b415-dee62999b036_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_019e2c76-caa7-760c-b415-dee62999b036" xlink:to="loc_srt_ConsolidatedEntitiesDomain_019e2c76-caa7-760c-b415-dee62999b036_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_019e2c76-caa7-7460-bb1b-57327bf3764b" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_019e2c76-caa7-760c-b415-dee62999b036" xlink:to="loc_srt_ConsolidatedEntitiesDomain_019e2c76-caa7-7460-bb1b-57327bf3764b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SubsidiariesMember_019e2c76-caa7-7b75-8ee5-a9194c6147e5" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SubsidiariesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_019e2c76-caa7-7460-bb1b-57327bf3764b" xlink:to="loc_srt_SubsidiariesMember_019e2c76-caa7-7b75-8ee5-a9194c6147e5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CurrencyAxis_019e2c76-caa7-79e6-8e7c-5127862a4d4f" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_CurrencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_agco_BasisOfPresentationTable_019e2c76-caa7-7e66-b282-ccf6f6b78991" xlink:to="loc_srt_CurrencyAxis_019e2c76-caa7-79e6-8e7c-5127862a4d4f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_currency_AllCurrenciesDomain_019e2c76-caa7-79e6-8e7c-5127862a4d4f_default" xlink:href="https://xbrl.sec.gov/currency/2026/currency-2026.xsd#currency_AllCurrenciesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CurrencyAxis_019e2c76-caa7-79e6-8e7c-5127862a4d4f" xlink:to="loc_currency_AllCurrenciesDomain_019e2c76-caa7-79e6-8e7c-5127862a4d4f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_currency_AllCurrenciesDomain_019e2c76-caa7-74c1-a01d-d66b391540c9" xlink:href="https://xbrl.sec.gov/currency/2026/currency-2026.xsd#currency_AllCurrenciesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CurrencyAxis_019e2c76-caa7-79e6-8e7c-5127862a4d4f" xlink:to="loc_currency_AllCurrenciesDomain_019e2c76-caa7-74c1-a01d-d66b391540c9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_currency_TRY_019e2c76-caa7-750c-8cb2-5016bdd1c150" xlink:href="https://xbrl.sec.gov/currency/2026/currency-2026.xsd#currency_TRY"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_currency_AllCurrenciesDomain_019e2c76-caa7-74c1-a01d-d66b391540c9" xlink:to="loc_currency_TRY_019e2c76-caa7-750c-8cb2-5016bdd1c150" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_currency_ARS_019e2c76-caa7-79c4-a524-28cfc8cf023d" xlink:href="https://xbrl.sec.gov/currency/2026/currency-2026.xsd#currency_ARS"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_currency_AllCurrenciesDomain_019e2c76-caa7-74c1-a01d-d66b391540c9" xlink:to="loc_currency_ARS_019e2c76-caa7-79c4-a524-28cfc8cf023d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e2c76-caa7-7c5d-b6e0-ebe59609009c" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_agco_BasisOfPresentationTable_019e2c76-caa7-7e66-b282-ccf6f6b78991" xlink:to="loc_dei_LegalEntityAxis_019e2c76-caa7-7c5d-b6e0-ebe59609009c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e2c76-caa7-7c5d-b6e0-ebe59609009c_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e2c76-caa7-7c5d-b6e0-ebe59609009c" xlink:to="loc_dei_EntityDomain_019e2c76-caa7-7c5d-b6e0-ebe59609009c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e2c76-caa7-743b-b618-fc4ac7adeab7" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e2c76-caa7-7c5d-b6e0-ebe59609009c" xlink:to="loc_dei_EntityDomain_019e2c76-caa7-743b-b618-fc4ac7adeab7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_AGCOCapitalArgentinaSAMember_019e2c76-caa7-73d8-bd54-76d4e601ee74" xlink:href="agco-20260630.xsd#agco_AGCOCapitalArgentinaSAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e2c76-caa7-743b-b618-fc4ac7adeab7" xlink:to="loc_agco_AGCOCapitalArgentinaSAMember_019e2c76-caa7-73d8-bd54-76d4e601ee74" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019e2c76-caa7-73e1-803d-b350b1087377" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_agco_BasisOfPresentationLineItems_019e2c76-caa7-7a4a-b6c2-d0c55aa77eee" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019e2c76-caa7-73e1-803d-b350b1087377" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_019e2c76-caa7-7d64-9b4b-4b82ab329c61" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_agco_BasisOfPresentationLineItems_019e2c76-caa7-7a4a-b6c2-d0c55aa77eee" xlink:to="loc_us-gaap_Assets_019e2c76-caa7-7d64-9b4b-4b82ab329c61" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetReportingCurrencyDenominatedValue_019e2c76-caa7-70e8-a08d-668b6ca0eccb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetReportingCurrencyDenominatedValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_agco_BasisOfPresentationLineItems_019e2c76-caa7-7a4a-b6c2-d0c55aa77eee" xlink:to="loc_us-gaap_AssetReportingCurrencyDenominatedValue_019e2c76-caa7-70e8-a08d-668b6ca0eccb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilityReportingCurrencyDenominatedValue_019e2c76-caa7-70a6-bbb7-84c2ce23e3b0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilityReportingCurrencyDenominatedValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_agco_BasisOfPresentationLineItems_019e2c76-caa7-7a4a-b6c2-d0c55aa77eee" xlink:to="loc_us-gaap_LiabilityReportingCurrencyDenominatedValue_019e2c76-caa7-70a6-bbb7-84c2ce23e3b0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019e2c76-caa7-7cb1-877a-1a4574aa023f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_agco_BasisOfPresentationLineItems_019e2c76-caa7-7a4a-b6c2-d0c55aa77eee" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019e2c76-caa7-7cb1-877a-1a4574aa023f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsNet_019e2c76-caa7-7abd-8e0e-4fbbf8f9aab6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_agco_BasisOfPresentationLineItems_019e2c76-caa7-7a4a-b6c2-d0c55aa77eee" xlink:to="loc_us-gaap_AssetsNet_019e2c76-caa7-7abd-8e0e-4fbbf8f9aab6" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/AccountsReceivableSalesAgreementsDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#AccountsReceivableSalesAgreementsDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/AccountsReceivableSalesAgreementsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_019e2c76-cb61-72ea-b1e9-76fd80a24db8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_019e2c76-cb61-7e5e-98b3-5d1d997f57bf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_019e2c76-cb61-72ea-b1e9-76fd80a24db8" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_019e2c76-cb61-7e5e-98b3-5d1d997f57bf" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fa172-2ef3-77ee-bec8-f875b05f44c7" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_019e2c76-cb61-7e5e-98b3-5d1d997f57bf" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fa172-2ef3-77ee-bec8-f875b05f44c7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_019fa172-2ef3-77ee-bec8-f875b05f44c7_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fa172-2ef3-77ee-bec8-f875b05f44c7" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_019fa172-2ef3-77ee-bec8-f875b05f44c7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_019fa172-2ef3-7f56-bb0e-15d6273877a4" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fa172-2ef3-77ee-bec8-f875b05f44c7" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_019fa172-2ef3-7f56-bb0e-15d6273877a4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_NorthAmericaAGCOFinanceJointVenturesMember_019fa90b-6356-73ef-acd8-481381965bb9" xlink:href="agco-20260630.xsd#agco_NorthAmericaAGCOFinanceJointVenturesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_019fa172-2ef3-7f56-bb0e-15d6273877a4" xlink:to="loc_agco_NorthAmericaAGCOFinanceJointVenturesMember_019fa90b-6356-73ef-acd8-481381965bb9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_019fa172-2ef3-74b0-b418-baa55e845dc6" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_019e2c76-cb61-7e5e-98b3-5d1d997f57bf" xlink:to="loc_srt_StatementGeographicalAxis_019fa172-2ef3-74b0-b418-baa55e845dc6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019fa172-2ef3-74b0-b418-baa55e845dc6_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_019fa172-2ef3-74b0-b418-baa55e845dc6" xlink:to="loc_srt_SegmentGeographicalDomain_019fa172-2ef3-74b0-b418-baa55e845dc6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019fa172-2ef3-7bcb-83cb-8fd5b0f6c518" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_019fa172-2ef3-74b0-b418-baa55e845dc6" xlink:to="loc_srt_SegmentGeographicalDomain_019fa172-2ef3-7bcb-83cb-8fd5b0f6c518" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_UnitedStatesCanadaEuropeandBrazilMember_019fa172-2ef3-7189-8db4-9c916307c5dc" xlink:href="agco-20260630.xsd#agco_UnitedStatesCanadaEuropeandBrazilMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019fa172-2ef3-7bcb-83cb-8fd5b0f6c518" xlink:to="loc_agco_UnitedStatesCanadaEuropeandBrazilMember_019fa172-2ef3-7189-8db4-9c916307c5dc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_019fa172-2ef3-7ebf-89af-5dc5cd8e0593" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_019e2c76-cb61-7e5e-98b3-5d1d997f57bf" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_019fa172-2ef3-7ebf-89af-5dc5cd8e0593" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_019fa172-2ef3-7ebf-89af-5dc5cd8e0593_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_019fa172-2ef3-7ebf-89af-5dc5cd8e0593" xlink:to="loc_us-gaap_ReceivableTypeDomain_019fa172-2ef3-7ebf-89af-5dc5cd8e0593_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_019fa172-2ef3-7ebf-9cfa-928b75e9d70f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_019fa172-2ef3-7ebf-89af-5dc5cd8e0593" xlink:to="loc_us-gaap_ReceivableTypeDomain_019fa172-2ef3-7ebf-9cfa-928b75e9d70f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeAccountsReceivableMember_019fa172-2ef3-7bba-9e24-58e8f3c55e02" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TradeAccountsReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_019fa172-2ef3-7ebf-9cfa-928b75e9d70f" xlink:to="loc_us-gaap_TradeAccountsReceivableMember_019fa172-2ef3-7bba-9e24-58e8f3c55e02" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfIncomeLocationBalanceAxis_019fa172-2ef3-78f2-b39d-f4f2bd3559a3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementOfIncomeLocationBalanceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_019e2c76-cb61-7e5e-98b3-5d1d997f57bf" xlink:to="loc_us-gaap_StatementOfIncomeLocationBalanceAxis_019fa172-2ef3-78f2-b39d-f4f2bd3559a3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_019fa172-2ef3-72ac-b0db-a03a7862efbe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_019e2c76-cb61-72ea-b1e9-76fd80a24db8" xlink:to="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_019fa172-2ef3-72ac-b0db-a03a7862efbe" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates_019faa76-72da-735b-94b9-afa6cccb43fc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_019e2c76-cb61-72ea-b1e9-76fd80a24db8" xlink:to="loc_us-gaap_ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates_019faa76-72da-735b-94b9-afa6cccb43fc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentSoldCarryingAmount_019fa6b1-3761-7e71-bb6b-49457981771e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityMethodInvestmentSoldCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_019e2c76-cb61-72ea-b1e9-76fd80a24db8" xlink:to="loc_us-gaap_EquityMethodInvestmentSoldCarryingAmount_019fa6b1-3761-7e71-bb6b-49457981771e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_EquityMethodInvestmentEstimatedFutureNetEarningsOfInvestmentSold_019fa172-2ef4-706c-b2b3-e7f45565f7de" xlink:href="agco-20260630.xsd#agco_EquityMethodInvestmentEstimatedFutureNetEarningsOfInvestmentSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_019e2c76-cb61-72ea-b1e9-76fd80a24db8" xlink:to="loc_agco_EquityMethodInvestmentEstimatedFutureNetEarningsOfInvestmentSold_019fa172-2ef4-706c-b2b3-e7f45565f7de" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransferOfFinancialAssetsAccountedForAsSalesCashProceedsReceivedForAssetsDerecognizedAmount_019fa172-2ef4-79e5-8626-003dc4cadce2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransferOfFinancialAssetsAccountedForAsSalesCashProceedsReceivedForAssetsDerecognizedAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_019e2c76-cb61-72ea-b1e9-76fd80a24db8" xlink:to="loc_us-gaap_TransferOfFinancialAssetsAccountedForAsSalesCashProceedsReceivedForAssetsDerecognizedAmount_019fa172-2ef4-79e5-8626-003dc4cadce2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfAccountsReceivable_019fa172-2ef4-7ac4-8542-aeef23d5775a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnSaleOfAccountsReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_019e2c76-cb61-72ea-b1e9-76fd80a24db8" xlink:to="loc_us-gaap_GainLossOnSaleOfAccountsReceivable_019fa172-2ef4-7ac4-8542-aeef23d5775a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_OutstandingAccountsReceivablesOfReceivablesSoldToRetailFinanceJointVenturesWhoProvideFinancingToCompanyDealers_019fa172-2ef4-790a-b342-3dd7070d315a" xlink:href="agco-20260630.xsd#agco_OutstandingAccountsReceivablesOfReceivablesSoldToRetailFinanceJointVenturesWhoProvideFinancingToCompanyDealers"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_019e2c76-cb61-72ea-b1e9-76fd80a24db8" xlink:to="loc_agco_OutstandingAccountsReceivablesOfReceivablesSoldToRetailFinanceJointVenturesWhoProvideFinancingToCompanyDealers_019fa172-2ef4-790a-b342-3dd7070d315a" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/AccountsReceivableSalesAgreementsDetails_1" xlink:type="simple" xlink:href="agco-20260630.xsd#AccountsReceivableSalesAgreementsDetails_1"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/AccountsReceivableSalesAgreementsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_019e2c76-cb61-72ea-b1e9-76fd80a24db8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_019e2c76-cb61-7e5e-98b3-5d1d997f57bf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_019e2c76-cb61-72ea-b1e9-76fd80a24db8" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_019e2c76-cb61-7e5e-98b3-5d1d997f57bf" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fa172-2ef3-77ee-bec8-f875b05f44c7" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_019e2c76-cb61-7e5e-98b3-5d1d997f57bf" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fa172-2ef3-77ee-bec8-f875b05f44c7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_019fa172-2ef3-77ee-bec8-f875b05f44c7_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fa172-2ef3-77ee-bec8-f875b05f44c7" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_019fa172-2ef3-77ee-bec8-f875b05f44c7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_019fa172-2ef3-7f56-bb0e-15d6273877a4" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fa172-2ef3-77ee-bec8-f875b05f44c7" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_019fa172-2ef3-7f56-bb0e-15d6273877a4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_NorthAmericaAGCOFinanceJointVenturesMember_019fa90b-6356-73ef-acd8-481381965bb9" xlink:href="agco-20260630.xsd#agco_NorthAmericaAGCOFinanceJointVenturesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_019fa172-2ef3-7f56-bb0e-15d6273877a4" xlink:to="loc_agco_NorthAmericaAGCOFinanceJointVenturesMember_019fa90b-6356-73ef-acd8-481381965bb9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_019fa172-2ef3-74b0-b418-baa55e845dc6" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_019e2c76-cb61-7e5e-98b3-5d1d997f57bf" xlink:to="loc_srt_StatementGeographicalAxis_019fa172-2ef3-74b0-b418-baa55e845dc6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019fa172-2ef3-74b0-b418-baa55e845dc6_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_019fa172-2ef3-74b0-b418-baa55e845dc6" xlink:to="loc_srt_SegmentGeographicalDomain_019fa172-2ef3-74b0-b418-baa55e845dc6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019fa172-2ef3-7bcb-83cb-8fd5b0f6c518" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_019fa172-2ef3-74b0-b418-baa55e845dc6" xlink:to="loc_srt_SegmentGeographicalDomain_019fa172-2ef3-7bcb-83cb-8fd5b0f6c518" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_UnitedStatesCanadaEuropeandBrazilMember_019fa172-2ef3-7189-8db4-9c916307c5dc" xlink:href="agco-20260630.xsd#agco_UnitedStatesCanadaEuropeandBrazilMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019fa172-2ef3-7bcb-83cb-8fd5b0f6c518" xlink:to="loc_agco_UnitedStatesCanadaEuropeandBrazilMember_019fa172-2ef3-7189-8db4-9c916307c5dc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_019fa172-2ef3-7ebf-89af-5dc5cd8e0593" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_019e2c76-cb61-7e5e-98b3-5d1d997f57bf" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_019fa172-2ef3-7ebf-89af-5dc5cd8e0593" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_019fa172-2ef3-7ebf-89af-5dc5cd8e0593_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_019fa172-2ef3-7ebf-89af-5dc5cd8e0593" xlink:to="loc_us-gaap_ReceivableTypeDomain_019fa172-2ef3-7ebf-89af-5dc5cd8e0593_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_019fa172-2ef3-7ebf-9cfa-928b75e9d70f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_019fa172-2ef3-7ebf-89af-5dc5cd8e0593" xlink:to="loc_us-gaap_ReceivableTypeDomain_019fa172-2ef3-7ebf-9cfa-928b75e9d70f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeAccountsReceivableMember_019fa172-2ef3-7bba-9e24-58e8f3c55e02" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TradeAccountsReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_019fa172-2ef3-7ebf-9cfa-928b75e9d70f" xlink:to="loc_us-gaap_TradeAccountsReceivableMember_019fa172-2ef3-7bba-9e24-58e8f3c55e02" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_019fa172-2ef3-72ac-b0db-a03a7862efbe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_019e2c76-cb61-72ea-b1e9-76fd80a24db8" xlink:to="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_019fa172-2ef3-72ac-b0db-a03a7862efbe" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates_019faa76-72da-735b-94b9-afa6cccb43fc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_019e2c76-cb61-72ea-b1e9-76fd80a24db8" xlink:to="loc_us-gaap_ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates_019faa76-72da-735b-94b9-afa6cccb43fc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentSoldCarryingAmount_019fa6b1-3761-7e71-bb6b-49457981771e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityMethodInvestmentSoldCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_019e2c76-cb61-72ea-b1e9-76fd80a24db8" xlink:to="loc_us-gaap_EquityMethodInvestmentSoldCarryingAmount_019fa6b1-3761-7e71-bb6b-49457981771e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_EquityMethodInvestmentEstimatedFutureNetEarningsOfInvestmentSold_019fa172-2ef4-706c-b2b3-e7f45565f7de" xlink:href="agco-20260630.xsd#agco_EquityMethodInvestmentEstimatedFutureNetEarningsOfInvestmentSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_019e2c76-cb61-72ea-b1e9-76fd80a24db8" xlink:to="loc_agco_EquityMethodInvestmentEstimatedFutureNetEarningsOfInvestmentSold_019fa172-2ef4-706c-b2b3-e7f45565f7de" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransferOfFinancialAssetsAccountedForAsSalesCashProceedsReceivedForAssetsDerecognizedAmount_019fa172-2ef4-79e5-8626-003dc4cadce2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransferOfFinancialAssetsAccountedForAsSalesCashProceedsReceivedForAssetsDerecognizedAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_019e2c76-cb61-72ea-b1e9-76fd80a24db8" xlink:to="loc_us-gaap_TransferOfFinancialAssetsAccountedForAsSalesCashProceedsReceivedForAssetsDerecognizedAmount_019fa172-2ef4-79e5-8626-003dc4cadce2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfAccountsReceivable_019fa172-2ef4-7ac4-8542-aeef23d5775a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnSaleOfAccountsReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_019e2c76-cb61-72ea-b1e9-76fd80a24db8" xlink:to="loc_us-gaap_GainLossOnSaleOfAccountsReceivable_019fa172-2ef4-7ac4-8542-aeef23d5775a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_OutstandingAccountsReceivablesOfReceivablesSoldToRetailFinanceJointVenturesWhoProvideFinancingToCompanyDealers_019fa172-2ef4-790a-b342-3dd7070d315a" xlink:href="agco-20260630.xsd#agco_OutstandingAccountsReceivablesOfReceivablesSoldToRetailFinanceJointVenturesWhoProvideFinancingToCompanyDealers"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_019e2c76-cb61-72ea-b1e9-76fd80a24db8" xlink:to="loc_agco_OutstandingAccountsReceivablesOfReceivablesSoldToRetailFinanceJointVenturesWhoProvideFinancingToCompanyDealers_019fa172-2ef4-790a-b342-3dd7070d315a" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/GoodwillandOtherIntangibleAssetsScheduleofGoodwillDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#GoodwillandOtherIntangibleAssetsScheduleofGoodwillDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/GoodwillandOtherIntangibleAssetsScheduleofGoodwillDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillLineItems_019e2c76-cb61-772a-a059-e7d24292cf54" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GoodwillLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_019e2c76-cb61-72f5-8a88-3496dc3abc57" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfGoodwillTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_GoodwillLineItems_019e2c76-cb61-772a-a059-e7d24292cf54" xlink:to="loc_us-gaap_ScheduleOfGoodwillTable_019e2c76-cb61-72f5-8a88-3496dc3abc57" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_019e2c76-cb61-7e81-bc3a-c0dda2c240f2" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_019e2c76-cb61-72f5-8a88-3496dc3abc57" xlink:to="loc_srt_StatementGeographicalAxis_019e2c76-cb61-7e81-bc3a-c0dda2c240f2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019e2c76-cb61-7e81-bc3a-c0dda2c240f2_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_019e2c76-cb61-7e81-bc3a-c0dda2c240f2" xlink:to="loc_srt_SegmentGeographicalDomain_019e2c76-cb61-7e81-bc3a-c0dda2c240f2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019e2c76-cb61-7f24-8b42-2aed30d34d8e" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_019e2c76-cb61-7e81-bc3a-c0dda2c240f2" xlink:to="loc_srt_SegmentGeographicalDomain_019e2c76-cb61-7f24-8b42-2aed30d34d8e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NorthAmericaMember_019e2c76-cb61-7381-8cc9-02d72b564e15" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_NorthAmericaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e2c76-cb61-7f24-8b42-2aed30d34d8e" xlink:to="loc_srt_NorthAmericaMember_019e2c76-cb61-7381-8cc9-02d72b564e15" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LatinAmericaMember_019e2c76-cb61-73ba-a05c-606b27716e0c" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_LatinAmericaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e2c76-cb61-7f24-8b42-2aed30d34d8e" xlink:to="loc_srt_LatinAmericaMember_019e2c76-cb61-73ba-a05c-606b27716e0c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_EMEMember_019e2c76-cb61-77e9-8edd-540e9706c7d1" xlink:href="agco-20260630.xsd#agco_EMEMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e2c76-cb61-7f24-8b42-2aed30d34d8e" xlink:to="loc_agco_EMEMember_019e2c76-cb61-77e9-8edd-540e9706c7d1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_APAMember_019e2c76-cb61-74d0-ae03-fa55fe3e9495" xlink:href="agco-20260630.xsd#agco_APAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e2c76-cb61-7f24-8b42-2aed30d34d8e" xlink:to="loc_agco_APAMember_019e2c76-cb61-74d0-ae03-fa55fe3e9495" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillRollForward_019e2c76-cb61-711f-87fa-95a9bdf27f41" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GoodwillRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_019e2c76-cb61-772a-a059-e7d24292cf54" xlink:to="loc_us-gaap_GoodwillRollForward_019e2c76-cb61-711f-87fa-95a9bdf27f41" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019e2c76-cb61-7b5d-be73-2b02438a1871" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_019e2c76-cb61-711f-87fa-95a9bdf27f41" xlink:to="loc_us-gaap_Goodwill_019e2c76-cb61-7b5d-be73-2b02438a1871" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_019e2c76-cb61-7d3a-8f4a-db040067b49f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GoodwillForeignCurrencyTranslationGainLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_019e2c76-cb61-711f-87fa-95a9bdf27f41" xlink:to="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_019e2c76-cb61-7d3a-8f4a-db040067b49f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019e2c76-cb61-7d32-8046-2e585d57c0bb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Goodwill"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/GoodwillandOtherIntangibleAssetsScheduleofChangeinCarryingAmountofIntangibleAssetsDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#GoodwillandOtherIntangibleAssetsScheduleofChangeinCarryingAmountofIntangibleAssetsDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/GoodwillandOtherIntangibleAssetsScheduleofChangeinCarryingAmountofIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019e2c76-cb61-7d8f-b4b8-c7819ff41e86" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019e2c76-cb61-73ce-8cc7-10bf0ef0155f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019e2c76-cb61-7d8f-b4b8-c7819ff41e86" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019e2c76-cb61-73ce-8cc7-10bf0ef0155f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019e2c76-cb61-76eb-a80b-b414fddb5455" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019e2c76-cb61-73ce-8cc7-10bf0ef0155f" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019e2c76-cb61-76eb-a80b-b414fddb5455" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019e2c76-cb61-76eb-a80b-b414fddb5455_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019e2c76-cb61-76eb-a80b-b414fddb5455" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019e2c76-cb61-76eb-a80b-b414fddb5455_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019e2c76-cb61-77e6-997f-ea5d332c4d2b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019e2c76-cb61-76eb-a80b-b414fddb5455" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019e2c76-cb61-77e6-997f-ea5d332c4d2b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TrademarksAndTradeNamesMember_019e2c76-cb61-72d1-8b05-9ec0827ba0ca" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TrademarksAndTradeNamesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019e2c76-cb61-77e6-997f-ea5d332c4d2b" xlink:to="loc_us-gaap_TrademarksAndTradeNamesMember_019e2c76-cb61-72d1-8b05-9ec0827ba0ca" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_019e2c76-cb61-7497-b7b8-ae50dab33f58" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019e2c76-cb61-77e6-997f-ea5d332c4d2b" xlink:to="loc_us-gaap_CustomerRelationshipsMember_019e2c76-cb61-7497-b7b8-ae50dab33f58" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_TechnologyAndPatentsMember_019e2c76-cb61-7325-af7d-ebffaac50fe5" xlink:href="agco-20260630.xsd#agco_TechnologyAndPatentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019e2c76-cb61-77e6-997f-ea5d332c4d2b" xlink:to="loc_agco_TechnologyAndPatentsMember_019e2c76-cb61-7325-af7d-ebffaac50fe5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIntangibleAssetsMember_019e2c76-cb61-79cf-8a28-69139857d5d6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherIntangibleAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019e2c76-cb61-77e6-997f-ea5d332c4d2b" xlink:to="loc_us-gaap_OtherIntangibleAssetsMember_019e2c76-cb61-79cf-8a28-69139857d5d6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsRollForward_019e2c76-cb61-7e74-ab27-f92fdbb538e3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019e2c76-cb61-7d8f-b4b8-c7819ff41e86" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsRollForward_019e2c76-cb61-7e74-ab27-f92fdbb538e3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019e2c76-cb61-769a-a08f-29e0d40fd889" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsRollForward_019e2c76-cb61-7e74-ab27-f92fdbb538e3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019e2c76-cb61-769a-a08f-29e0d40fd889" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_019e2c76-cb61-7a8f-a537-e7ae83e3d5db" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinitelivedIntangibleAssetsAcquired1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsRollForward_019e2c76-cb61-7e74-ab27-f92fdbb538e3" xlink:to="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_019e2c76-cb61-7a8f-a537-e7ae83e3d5db" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss_019e2c76-cb61-7917-b897-61c4110efc46" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsRollForward_019e2c76-cb61-7e74-ab27-f92fdbb538e3" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss_019e2c76-cb61-7917-b897-61c4110efc46" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019e2c76-cb61-70ed-b422-0e867fe7fe56" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_AccumulatedAmortizationRollForward_019e2c76-cb61-7acc-91f8-43bc2acf229e" xlink:href="agco-20260630.xsd#agco_AccumulatedAmortizationRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019e2c76-cb61-7d8f-b4b8-c7819ff41e86" xlink:to="loc_agco_AccumulatedAmortizationRollForward_019e2c76-cb61-7acc-91f8-43bc2acf229e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019e2c76-cb61-726c-9c67-517ec2f7e0cb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_agco_AccumulatedAmortizationRollForward_019e2c76-cb61-7acc-91f8-43bc2acf229e" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019e2c76-cb61-726c-9c67-517ec2f7e0cb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_019e2c76-cb61-7881-a565-50df15d5997d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_agco_AccumulatedAmortizationRollForward_019e2c76-cb61-7acc-91f8-43bc2acf229e" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_019e2c76-cb61-7881-a565-50df15d5997d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_FiniteLivedIntangibleAssetsAccumulatedAmortizationForeignCurrencyTranslationGainLoss_019e2c76-cb61-759b-ac90-ec5e6d600db5" xlink:href="agco-20260630.xsd#agco_FiniteLivedIntangibleAssetsAccumulatedAmortizationForeignCurrencyTranslationGainLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_agco_AccumulatedAmortizationRollForward_019e2c76-cb61-7acc-91f8-43bc2acf229e" xlink:to="loc_agco_FiniteLivedIntangibleAssetsAccumulatedAmortizationForeignCurrencyTranslationGainLoss_019e2c76-cb61-759b-ac90-ec5e6d600db5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019e2c76-cb61-7db1-9f18-5f6a809c8752" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/GoodwillandOtherIntangibleAssetsIndefiniteLivedIntangibleAssetsDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#GoodwillandOtherIntangibleAssetsIndefiniteLivedIntangibleAssetsDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/GoodwillandOtherIntangibleAssetsIndefiniteLivedIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems_019e2c76-cb61-7ee9-b156-3fe8531a0f2b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_019e2c76-cb61-7146-938e-4f255ceff852" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems_019e2c76-cb61-7ee9-b156-3fe8531a0f2b" xlink:to="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_019e2c76-cb61-7146-938e-4f255ceff852" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_019e2c76-cb61-7358-9f1a-8192acff2ba7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_019e2c76-cb61-7146-938e-4f255ceff852" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_019e2c76-cb61-7358-9f1a-8192acff2ba7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_019e2c76-cb61-7358-9f1a-8192acff2ba7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_019e2c76-cb61-7358-9f1a-8192acff2ba7" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_019e2c76-cb61-7358-9f1a-8192acff2ba7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_019e2c76-cb61-72a4-a39f-13236bce3c5c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_019e2c76-cb61-7358-9f1a-8192acff2ba7" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_019e2c76-cb61-72a4-a39f-13236bce3c5c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TrademarksAndTradeNamesMember_019e2c76-cb61-73ec-b474-793d36923a8c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TrademarksAndTradeNamesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_019e2c76-cb61-72a4-a39f-13236bce3c5c" xlink:to="loc_us-gaap_TrademarksAndTradeNamesMember_019e2c76-cb61-73ec-b474-793d36923a8c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsRollForward_019e2c76-cb61-714d-aa4f-1fba04c7b641" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IndefiniteLivedIntangibleAssetsRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems_019e2c76-cb61-7ee9-b156-3fe8531a0f2b" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsRollForward_019e2c76-cb61-714d-aa4f-1fba04c7b641" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_019e2c76-cb61-78b7-bfdc-1f7d56afc85c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsRollForward_019e2c76-cb61-714d-aa4f-1fba04c7b641" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_019e2c76-cb61-78b7-bfdc-1f7d56afc85c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss_019e2c76-cb61-7b2a-81de-6a4956bf838c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IndefiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsRollForward_019e2c76-cb61-714d-aa4f-1fba04c7b641" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss_019e2c76-cb61-7b2a-81de-6a4956bf838c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_019e2c76-cb61-7d7f-aa6f-07f1aa60a975" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/GoodwillandOtherIntangibleAssetsNarrativeDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#GoodwillandOtherIntangibleAssetsNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/GoodwillandOtherIntangibleAssetsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019e2c76-cb61-7b06-9f25-63083e338e07" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019e2c76-cb61-71c2-a1c1-dd1f8d14b9c8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019e2c76-cb61-7b06-9f25-63083e338e07" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019e2c76-cb61-71c2-a1c1-dd1f8d14b9c8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019e2c76-cb61-76ed-8b2c-7c12a43cea15" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019e2c76-cb61-71c2-a1c1-dd1f8d14b9c8" xlink:to="loc_srt_RangeAxis_019e2c76-cb61-76ed-8b2c-7c12a43cea15" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019e2c76-cb61-76ed-8b2c-7c12a43cea15_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019e2c76-cb61-76ed-8b2c-7c12a43cea15" xlink:to="loc_srt_RangeMember_019e2c76-cb61-76ed-8b2c-7c12a43cea15_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019e2c76-cb61-7021-b287-dd923fb25f9f" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019e2c76-cb61-76ed-8b2c-7c12a43cea15" xlink:to="loc_srt_RangeMember_019e2c76-cb61-7021-b287-dd923fb25f9f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019e2c76-cb61-7682-bbb2-51fc23230c83" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019e2c76-cb61-7021-b287-dd923fb25f9f" xlink:to="loc_srt_MinimumMember_019e2c76-cb61-7682-bbb2-51fc23230c83" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019e2c76-cb61-7c78-83d5-90688df1bfb1" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019e2c76-cb61-7021-b287-dd923fb25f9f" xlink:to="loc_srt_MaximumMember_019e2c76-cb61-7c78-83d5-90688df1bfb1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_019e2c76-cb61-77d3-b638-3866c5a05072" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019e2c76-cb61-7b06-9f25-63083e338e07" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_019e2c76-cb61-77d3-b638-3866c5a05072" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/ProductWarrantyNarrativeDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#ProductWarrantyNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/ProductWarrantyNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyLiabilityLineItems_019e2c76-cb61-7d70-ab99-f72a300d0a43" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProductWarrantyLiabilityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyLiabilityTable_019e2c76-cb61-7a8a-a6e2-dccdf9617951" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProductWarrantyLiabilityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ProductWarrantyLiabilityLineItems_019e2c76-cb61-7d70-ab99-f72a300d0a43" xlink:to="loc_us-gaap_ProductWarrantyLiabilityTable_019e2c76-cb61-7a8a-a6e2-dccdf9617951" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019e2c76-cb61-73c7-a3f1-a14c6fc839c0" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ProductWarrantyLiabilityTable_019e2c76-cb61-7a8a-a6e2-dccdf9617951" xlink:to="loc_srt_RangeAxis_019e2c76-cb61-73c7-a3f1-a14c6fc839c0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019e2c76-cb61-73c7-a3f1-a14c6fc839c0_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019e2c76-cb61-73c7-a3f1-a14c6fc839c0" xlink:to="loc_srt_RangeMember_019e2c76-cb61-73c7-a3f1-a14c6fc839c0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019e2c76-cb61-79ec-9928-1fdc62f731ce" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019e2c76-cb61-73c7-a3f1-a14c6fc839c0" xlink:to="loc_srt_RangeMember_019e2c76-cb61-79ec-9928-1fdc62f731ce" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019e2c76-cb61-79d9-a204-a0e2a77f822c" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019e2c76-cb61-79ec-9928-1fdc62f731ce" xlink:to="loc_srt_MinimumMember_019e2c76-cb61-79d9-a204-a0e2a77f822c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019e2c76-cb61-7e1f-b623-c411cb777385" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019e2c76-cb61-79ec-9928-1fdc62f731ce" xlink:to="loc_srt_MaximumMember_019e2c76-cb61-7e1f-b623-c411cb777385" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_ProductWarrantyPeriodMinimum_019e2c76-cb61-7cdd-9203-53a8f223fa18" xlink:href="agco-20260630.xsd#agco_ProductWarrantyPeriodMinimum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductWarrantyLiabilityLineItems_019e2c76-cb61-7d70-ab99-f72a300d0a43" xlink:to="loc_agco_ProductWarrantyPeriodMinimum_019e2c76-cb61-7cdd-9203-53a8f223fa18" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_ProductWarrantyPeriodMaximum_019e2c76-cb61-7400-be35-e11be880e07e" xlink:href="agco-20260630.xsd#agco_ProductWarrantyPeriodMaximum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductWarrantyLiabilityLineItems_019e2c76-cb61-7d70-ab99-f72a300d0a43" xlink:to="loc_agco_ProductWarrantyPeriodMaximum_019e2c76-cb61-7400-be35-e11be880e07e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_ExtendedProductWarrantyPeriod_019e2c76-cb61-7798-8a1b-e747bf4ba184" xlink:href="agco-20260630.xsd#agco_ExtendedProductWarrantyPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductWarrantyLiabilityLineItems_019e2c76-cb61-7d70-ab99-f72a300d0a43" xlink:to="loc_agco_ExtendedProductWarrantyPeriod_019e2c76-cb61-7798-8a1b-e747bf4ba184" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_019e2c76-cb61-76ab-86f7-0259f19a711e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProductWarrantyAccrualClassifiedCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductWarrantyLiabilityLineItems_019e2c76-cb61-7d70-ab99-f72a300d0a43" xlink:to="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_019e2c76-cb61-76ab-86f7-0259f19a711e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyAccrualNoncurrent_019e2c76-cb61-7c46-b2b1-c59d794259b5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProductWarrantyAccrualNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductWarrantyLiabilityLineItems_019e2c76-cb61-7d70-ab99-f72a300d0a43" xlink:to="loc_us-gaap_ProductWarrantyAccrualNoncurrent_019e2c76-cb61-7c46-b2b1-c59d794259b5" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/SupplierFinanceProgramsDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#SupplierFinanceProgramsDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/SupplierFinanceProgramsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplierFinanceProgramLineItems_019e2c76-cb61-7f69-8b88-907dd7821540" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SupplierFinanceProgramLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplierFinanceProgramTable_019e2c76-cb61-7352-88f0-5832a100b083" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SupplierFinanceProgramTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SupplierFinanceProgramLineItems_019e2c76-cb61-7f69-8b88-907dd7821540" xlink:to="loc_us-gaap_SupplierFinanceProgramTable_019e2c76-cb61-7352-88f0-5832a100b083" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019e2c76-cb61-76aa-ae0d-88af81bc1328" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SupplierFinanceProgramTable_019e2c76-cb61-7352-88f0-5832a100b083" xlink:to="loc_srt_RangeAxis_019e2c76-cb61-76aa-ae0d-88af81bc1328" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019e2c76-cb61-76aa-ae0d-88af81bc1328_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019e2c76-cb61-76aa-ae0d-88af81bc1328" xlink:to="loc_srt_RangeMember_019e2c76-cb61-76aa-ae0d-88af81bc1328_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019e2c76-cb61-782a-8e3d-b0d3a91fb98c" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019e2c76-cb61-76aa-ae0d-88af81bc1328" xlink:to="loc_srt_RangeMember_019e2c76-cb61-782a-8e3d-b0d3a91fb98c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019e2c76-cb61-7ee1-b414-5daec6f0209a" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019e2c76-cb61-782a-8e3d-b0d3a91fb98c" xlink:to="loc_srt_MinimumMember_019e2c76-cb61-7ee1-b414-5daec6f0209a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019e2c76-cb61-7bef-9e27-b4462c6a5d73" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019e2c76-cb61-782a-8e3d-b0d3a91fb98c" xlink:to="loc_srt_MaximumMember_019e2c76-cb61-7bef-9e27-b4462c6a5d73" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplierFinanceProgramPaymentTimingPeriod_019e2c76-cb61-7af9-a540-4510028480e8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SupplierFinanceProgramPaymentTimingPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SupplierFinanceProgramLineItems_019e2c76-cb61-7f69-8b88-907dd7821540" xlink:to="loc_us-gaap_SupplierFinanceProgramPaymentTimingPeriod_019e2c76-cb61-7af9-a540-4510028480e8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplierFinanceProgramObligationCurrent_019e2c76-cb61-7a1c-a686-ba221c0fd4b1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SupplierFinanceProgramObligationCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SupplierFinanceProgramLineItems_019e2c76-cb61-7f69-8b88-907dd7821540" xlink:to="loc_us-gaap_SupplierFinanceProgramObligationCurrent_019e2c76-cb61-7a1c-a686-ba221c0fd4b1" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/IndebtednessComponentsofIndebtednessDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#IndebtednessComponentsofIndebtednessDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/IndebtednessComponentsofIndebtednessDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019e2c76-cb61-7c64-b568-047ec959d07e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_019e2c76-cb61-7474-af6c-3484c0445be4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e2c76-cb61-7c64-b568-047ec959d07e" xlink:to="loc_us-gaap_DebtInstrumentTable_019e2c76-cb61-7474-af6c-3484c0445be4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_019e2c76-cb61-7a22-9286-68166bcb5891" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019e2c76-cb61-7474-af6c-3484c0445be4" xlink:to="loc_us-gaap_CreditFacilityAxis_019e2c76-cb61-7a22-9286-68166bcb5891" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019e2c76-cb61-7a22-9286-68166bcb5891_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_019e2c76-cb61-7a22-9286-68166bcb5891" xlink:to="loc_us-gaap_CreditFacilityDomain_019e2c76-cb61-7a22-9286-68166bcb5891_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019e2c76-cb61-7d0b-931b-c1c848785e3e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_019e2c76-cb61-7a22-9286-68166bcb5891" xlink:to="loc_us-gaap_CreditFacilityDomain_019e2c76-cb61-7d0b-931b-c1c848785e3e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_019e2c76-cb61-7be2-b4a3-6594b407706e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019e2c76-cb61-7d0b-931b-c1c848785e3e" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_019e2c76-cb61-7be2-b4a3-6594b407706e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_MultiCurrencyFinanceContractMember_019e2c76-cb61-7770-8101-78f197257239" xlink:href="agco-20260630.xsd#agco_MultiCurrencyFinanceContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019e2c76-cb61-7d0b-931b-c1c848785e3e" xlink:to="loc_agco_MultiCurrencyFinanceContractMember_019e2c76-cb61-7770-8101-78f197257239" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019e2c76-cb61-7048-97f1-a26e96897c96" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019e2c76-cb61-7474-af6c-3484c0445be4" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019e2c76-cb61-7048-97f1-a26e96897c96" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019e2c76-cb61-7048-97f1-a26e96897c96_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019e2c76-cb61-7048-97f1-a26e96897c96" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019e2c76-cb61-7048-97f1-a26e96897c96_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019e2c76-cb61-7bba-a13e-3edcaf74fda1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019e2c76-cb61-7048-97f1-a26e96897c96" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019e2c76-cb61-7bba-a13e-3edcaf74fda1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_019e2c76-cb61-7632-bd45-90898c1ca45d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019e2c76-cb61-7bba-a13e-3edcaf74fda1" xlink:to="loc_us-gaap_LineOfCreditMember_019e2c76-cb61-7632-bd45-90898c1ca45d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_019e2c76-cb61-7475-8b01-ef2f3e98ee05" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019e2c76-cb61-7bba-a13e-3edcaf74fda1" xlink:to="loc_us-gaap_SeniorNotesMember_019e2c76-cb61-7475-8b01-ef2f3e98ee05" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019e2c76-cb61-7be4-874b-fae1a29535fb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019e2c76-cb61-7474-af6c-3484c0445be4" xlink:to="loc_us-gaap_DebtInstrumentAxis_019e2c76-cb61-7be4-874b-fae1a29535fb" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019e2c76-cb61-7be4-874b-fae1a29535fb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019e2c76-cb61-7be4-874b-fae1a29535fb" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019e2c76-cb61-7be4-874b-fae1a29535fb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019e2c76-cb61-7d62-bb1c-f8384b9c46bb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019e2c76-cb61-7be4-874b-fae1a29535fb" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019e2c76-cb61-7d62-bb1c-f8384b9c46bb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_RevolvingCreditFacilityAndTermLoanExpires2027Member_019e2c76-cb61-7cde-b20f-a2d675ccd966" xlink:href="agco-20260630.xsd#agco_RevolvingCreditFacilityAndTermLoanExpires2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e2c76-cb61-7d62-bb1c-f8384b9c46bb" xlink:to="loc_agco_RevolvingCreditFacilityAndTermLoanExpires2027Member_019e2c76-cb61-7cde-b20f-a2d675ccd966" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_A5.450SeniorNotesDue2027Member_019e2c76-cb61-72a2-9964-5e5439720372" xlink:href="agco-20260630.xsd#agco_A5.450SeniorNotesDue2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e2c76-cb61-7d62-bb1c-f8384b9c46bb" xlink:to="loc_agco_A5.450SeniorNotesDue2027Member_019e2c76-cb61-72a2-9964-5e5439720372" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_SeniorNotesDue2034Member_019e2c76-cb61-7850-a96a-2d353d996b99" xlink:href="agco-20260630.xsd#agco_SeniorNotesDue2034Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e2c76-cb61-7d62-bb1c-f8384b9c46bb" xlink:to="loc_agco_SeniorNotesDue2034Member_019e2c76-cb61-7850-a96a-2d353d996b99" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_A0800SeniorNotesDue2028Member_019e2c76-cb61-7ea4-89ca-b7e5b8b6ba2e" xlink:href="agco-20260630.xsd#agco_A0800SeniorNotesDue2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e2c76-cb61-7d62-bb1c-f8384b9c46bb" xlink:to="loc_agco_A0800SeniorNotesDue2028Member_019e2c76-cb61-7ea4-89ca-b7e5b8b6ba2e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_EuropeanInvestmentBankEIBSeniorTermLoanDue2029Member_019e2c76-cb61-7ec6-ab9c-05645a95df0d" xlink:href="agco-20260630.xsd#agco_EuropeanInvestmentBankEIBSeniorTermLoanDue2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e2c76-cb61-7d62-bb1c-f8384b9c46bb" xlink:to="loc_agco_EuropeanInvestmentBankEIBSeniorTermLoanDue2029Member_019e2c76-cb61-7ec6-ab9c-05645a95df0d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_EuropeanInvestmentBankEIBMultiCurrencyFacilityDue2030Member_019e2c76-cb61-7e82-b27e-bd6fc8465935" xlink:href="agco-20260630.xsd#agco_EuropeanInvestmentBankEIBMultiCurrencyFacilityDue2030Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e2c76-cb61-7d62-bb1c-f8384b9c46bb" xlink:to="loc_agco_EuropeanInvestmentBankEIBMultiCurrencyFacilityDue2030Member_019e2c76-cb61-7e82-b27e-bd6fc8465935" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_SeniorTermLoansDueBetween2025And2028Member_019e2c76-cb61-799d-80e9-2d4649f12594" xlink:href="agco-20260630.xsd#agco_SeniorTermLoansDueBetween2025And2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e2c76-cb61-7d62-bb1c-f8384b9c46bb" xlink:to="loc_agco_SeniorTermLoansDueBetween2025And2028Member_019e2c76-cb61-799d-80e9-2d4649f12594" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_SeniorTermLoansDue2026Member_019e2c76-cb61-7fbd-938d-c8ae7f54dfe0" xlink:href="agco-20260630.xsd#agco_SeniorTermLoansDue2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e2c76-cb61-7d62-bb1c-f8384b9c46bb" xlink:to="loc_agco_SeniorTermLoansDue2026Member_019e2c76-cb61-7fbd-938d-c8ae7f54dfe0" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019e2c76-cb61-7183-862d-dccc2ed6d664" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e2c76-cb61-7c64-b568-047ec959d07e" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019e2c76-cb61-7183-862d-dccc2ed6d664" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_019e2c76-cb61-76c1-a129-2fc207c8e9ad" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e2c76-cb61-7c64-b568-047ec959d07e" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_019e2c76-cb61-76c1-a129-2fc207c8e9ad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNoncurrentNet_019e2c76-cb61-7d80-87c6-4a7cc56100be" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredFinanceCostsNoncurrentNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e2c76-cb61-7c64-b568-047ec959d07e" xlink:to="loc_us-gaap_DeferredFinanceCostsNoncurrentNet_019e2c76-cb61-7d80-87c6-4a7cc56100be" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019e2c76-cb61-7ed8-8673-8a7dc5aa876b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e2c76-cb61-7c64-b568-047ec959d07e" xlink:to="loc_us-gaap_LongTermDebt_019e2c76-cb61-7ed8-8673-8a7dc5aa876b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_019e2c76-cb61-7ae1-9165-1cf7ff134a69" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e2c76-cb61-7c64-b568-047ec959d07e" xlink:to="loc_us-gaap_LongTermDebtCurrent_019e2c76-cb61-7ae1-9165-1cf7ff134a69" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_019e2c76-cb61-73c5-96a8-e9455e982d3f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e2c76-cb61-7c64-b568-047ec959d07e" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_019e2c76-cb61-73c5-96a8-e9455e982d3f" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/IndebtednessNarrativeDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#IndebtednessNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/IndebtednessNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019e2c76-cb61-717f-b2fa-cbf101024e58" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_019e2c76-cb61-7eb7-8b7f-97d4cc3e627e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e2c76-cb61-717f-b2fa-cbf101024e58" xlink:to="loc_us-gaap_DebtInstrumentTable_019e2c76-cb61-7eb7-8b7f-97d4cc3e627e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_019e2c76-cb61-779c-962e-09f96e3967c2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019e2c76-cb61-7eb7-8b7f-97d4cc3e627e" xlink:to="loc_us-gaap_CreditFacilityAxis_019e2c76-cb61-779c-962e-09f96e3967c2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019e2c76-cb61-779c-962e-09f96e3967c2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_019e2c76-cb61-779c-962e-09f96e3967c2" xlink:to="loc_us-gaap_CreditFacilityDomain_019e2c76-cb61-779c-962e-09f96e3967c2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019e2c76-cb61-714a-a914-5b566b63ce1a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_019e2c76-cb61-779c-962e-09f96e3967c2" xlink:to="loc_us-gaap_CreditFacilityDomain_019e2c76-cb61-714a-a914-5b566b63ce1a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_019e2c76-cb61-76a8-b1cc-d374f3e785f7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019e2c76-cb61-714a-a914-5b566b63ce1a" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_019e2c76-cb61-76a8-b1cc-d374f3e785f7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019e2c76-cb61-7b31-a1d9-85e8c95078ca" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019e2c76-cb61-7eb7-8b7f-97d4cc3e627e" xlink:to="loc_us-gaap_DebtInstrumentAxis_019e2c76-cb61-7b31-a1d9-85e8c95078ca" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019e2c76-cb61-7b31-a1d9-85e8c95078ca_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019e2c76-cb61-7b31-a1d9-85e8c95078ca" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019e2c76-cb61-7b31-a1d9-85e8c95078ca_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019e2c76-cb61-7c4f-ba78-900623824468" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019e2c76-cb61-7b31-a1d9-85e8c95078ca" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019e2c76-cb61-7c4f-ba78-900623824468" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_A125BillionMultiCurrencyUnsecuredCreditFacilityMember_019e2c76-cb61-7c97-97a6-33b84814c15e" xlink:href="agco-20260630.xsd#agco_A125BillionMultiCurrencyUnsecuredCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e2c76-cb61-7c4f-ba78-900623824468" xlink:to="loc_agco_A125BillionMultiCurrencyUnsecuredCreditFacilityMember_019e2c76-cb61-7c97-97a6-33b84814c15e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_UncommittedRevolvingCreditFacilityMember_019e2c76-cb61-7401-a2ca-17bade234c94" xlink:href="agco-20260630.xsd#agco_UncommittedRevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e2c76-cb61-7c4f-ba78-900623824468" xlink:to="loc_agco_UncommittedRevolvingCreditFacilityMember_019e2c76-cb61-7401-a2ca-17bade234c94" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019e2c76-cb61-78cf-b547-0eb786a7cfd2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019e2c76-cb61-7eb7-8b7f-97d4cc3e627e" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019e2c76-cb61-78cf-b547-0eb786a7cfd2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019e2c76-cb61-78cf-b547-0eb786a7cfd2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019e2c76-cb61-78cf-b547-0eb786a7cfd2" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019e2c76-cb61-78cf-b547-0eb786a7cfd2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019e2c76-cb61-7cca-bd91-61a2d5a56741" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019e2c76-cb61-78cf-b547-0eb786a7cfd2" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019e2c76-cb61-7cca-bd91-61a2d5a56741" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_019e2c76-cb61-72f5-a320-bbace62f9e39" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019e2c76-cb61-7cca-bd91-61a2d5a56741" xlink:to="loc_us-gaap_LineOfCreditMember_019e2c76-cb61-72f5-a320-bbace62f9e39" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeAxis_019e2c76-cb61-7cb3-b6ce-4e7398584dcb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShortTermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019e2c76-cb61-7eb7-8b7f-97d4cc3e627e" xlink:to="loc_us-gaap_ShortTermDebtTypeAxis_019e2c76-cb61-7cb3-b6ce-4e7398584dcb" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_019e2c76-cb61-7cb3-b6ce-4e7398584dcb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShortTermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_019e2c76-cb61-7cb3-b6ce-4e7398584dcb" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_019e2c76-cb61-7cb3-b6ce-4e7398584dcb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_019e2c76-cb61-7b02-9edd-173e46c82922" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShortTermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_019e2c76-cb61-7cb3-b6ce-4e7398584dcb" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_019e2c76-cb61-7b02-9edd-173e46c82922" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_ShortTermDebtOtherMember_019e2c76-cb61-72fe-83b9-06dde3ed2d61" xlink:href="agco-20260630.xsd#agco_ShortTermDebtOtherMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtTypeDomain_019e2c76-cb61-7b02-9edd-173e46c82922" xlink:to="loc_agco_ShortTermDebtOtherMember_019e2c76-cb61-72fe-83b9-06dde3ed2d61" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019e2c76-cb61-7d3c-9712-b80e724d7bac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e2c76-cb61-717f-b2fa-cbf101024e58" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019e2c76-cb61-7d3c-9712-b80e724d7bac" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCredit_019e2c76-cb61-7edb-b1d1-2739358068a2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e2c76-cb61-717f-b2fa-cbf101024e58" xlink:to="loc_us-gaap_LineOfCredit_019e2c76-cb61-7edb-b1d1-2739358068a2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_019e2c76-cb61-7a6c-8962-3c09142b78c0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e2c76-cb61-717f-b2fa-cbf101024e58" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_019e2c76-cb61-7a6c-8962-3c09142b78c0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBorrowings_019e2c76-cb61-7a2e-a827-b5c029fb4f6e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShortTermBorrowings"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e2c76-cb61-717f-b2fa-cbf101024e58" xlink:to="loc_us-gaap_ShortTermBorrowings_019e2c76-cb61-7a2e-a827-b5c029fb4f6e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_019e2c76-cb61-7c9a-ac41-216440193b59" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LettersOfCreditOutstandingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019e2c76-cb61-717f-b2fa-cbf101024e58" xlink:to="loc_us-gaap_LettersOfCreditOutstandingAmount_019e2c76-cb61-7c9a-ac41-216440193b59" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/RestructuringandBusinessOptimizationExpensesRestructuringExpenseActivityDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#RestructuringandBusinessOptimizationExpensesRestructuringExpenseActivityDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/RestructuringandBusinessOptimizationExpensesRestructuringExpenseActivityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_019e2c76-cb61-7941-85b3-576192a29b2b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019e2c76-cb61-7131-9cf4-92003ebae27d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_019e2c76-cb61-7941-85b3-576192a29b2b" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019e2c76-cb61-7131-9cf4-92003ebae27d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_019e2c76-cb61-77c0-b4d9-775350f13406" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringCostAndReserveAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019e2c76-cb61-7131-9cf4-92003ebae27d" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_019e2c76-cb61-77c0-b4d9-775350f13406" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_019e2c76-cb61-77c0-b4d9-775350f13406_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_019e2c76-cb61-77c0-b4d9-775350f13406" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_019e2c76-cb61-77c0-b4d9-775350f13406_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_019e2c76-cb61-72a4-8eaa-aba2f2f22dae" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_019e2c76-cb61-77c0-b4d9-775350f13406" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_019e2c76-cb61-72a4-8eaa-aba2f2f22dae" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeSeveranceMember_019e2c76-cb61-78af-af20-410772ad0bd5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EmployeeSeveranceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_019e2c76-cb61-72a4-8eaa-aba2f2f22dae" xlink:to="loc_us-gaap_EmployeeSeveranceMember_019e2c76-cb61-78af-af20-410772ad0bd5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveRollForward_019e2c76-cb61-7dbb-9fd4-0506757195a4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringReserveRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_019e2c76-cb61-7941-85b3-576192a29b2b" xlink:to="loc_us-gaap_RestructuringReserveRollForward_019e2c76-cb61-7dbb-9fd4-0506757195a4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserve_019e2c76-cb61-7d18-9d66-154ab86e2802" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringReserve"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_019e2c76-cb61-7dbb-9fd4-0506757195a4" xlink:to="loc_us-gaap_RestructuringReserve_019e2c76-cb61-7d18-9d66-154ab86e2802" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_019e2c76-cb61-797e-9a07-d9c2c8e06c2c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_019e2c76-cb61-7dbb-9fd4-0506757195a4" xlink:to="loc_us-gaap_RestructuringCharges_019e2c76-cb61-797e-9a07-d9c2c8e06c2c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRestructuring_019e2c76-cb61-79c5-867e-89571bd40889" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsForRestructuring"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_019e2c76-cb61-7dbb-9fd4-0506757195a4" xlink:to="loc_us-gaap_PaymentsForRestructuring_019e2c76-cb61-79c5-867e-89571bd40889" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveTranslationAdjustment_019e2c76-cb61-7b75-88b5-4707ff45f16b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringReserveTranslationAdjustment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_019e2c76-cb61-7dbb-9fd4-0506757195a4" xlink:to="loc_us-gaap_RestructuringReserveTranslationAdjustment_019e2c76-cb61-7b75-88b5-4707ff45f16b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserve_019e2c76-cb61-760b-a207-01668d993471" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringReserve"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/RestructuringandBusinessOptimizationExpensesNarrativeDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#RestructuringandBusinessOptimizationExpensesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/RestructuringandBusinessOptimizationExpensesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_019e2c76-cb61-72c4-9bc3-6190ab5af1ea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019e2c76-cb61-7318-add5-c4510172ffad" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_019e2c76-cb61-72c4-9bc3-6190ab5af1ea" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019e2c76-cb61-7318-add5-c4510172ffad" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_019e2c76-cb61-7dd4-8755-b2a3c624b79d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringCostAndReserveAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_019e2c76-cb61-7318-add5-c4510172ffad" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_019e2c76-cb61-7dd4-8755-b2a3c624b79d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_019e2c76-cb61-7dd4-8755-b2a3c624b79d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_019e2c76-cb61-7dd4-8755-b2a3c624b79d" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_019e2c76-cb61-7dd4-8755-b2a3c624b79d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_019e2c76-cb61-743f-b200-736d8585f672" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_019e2c76-cb61-7dd4-8755-b2a3c624b79d" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_019e2c76-cb61-743f-b200-736d8585f672" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_BusinessOptimizationMember_019e2c76-cb61-7a16-86e2-dcd5ad98c75a" xlink:href="agco-20260630.xsd#agco_BusinessOptimizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_019e2c76-cb61-743f-b200-736d8585f672" xlink:to="loc_agco_BusinessOptimizationMember_019e2c76-cb61-7a16-86e2-dcd5ad98c75a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveCurrent_019e2c76-cb61-7507-a2e7-af7d0f1f6ca9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringReserveCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_019e2c76-cb61-72c4-9bc3-6190ab5af1ea" xlink:to="loc_us-gaap_RestructuringReserveCurrent_019e2c76-cb61-7507-a2e7-af7d0f1f6ca9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveNoncurrent_019e2c76-cb61-761a-a9f1-8944756ef865" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringReserveNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_019e2c76-cb61-72c4-9bc3-6190ab5af1ea" xlink:to="loc_us-gaap_RestructuringReserveNoncurrent_019e2c76-cb61-761a-a9f1-8944756ef865" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_019e2c76-cb61-7465-af69-62018a240801" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_019e2c76-cb61-72c4-9bc3-6190ab5af1ea" xlink:to="loc_us-gaap_RestructuringCharges_019e2c76-cb61-7465-af69-62018a240801" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/DerivativeInstrumentsandHedgingActivitiesNarrativeDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#DerivativeInstrumentsandHedgingActivitiesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/DerivativeInstrumentsandHedgingActivitiesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_019e2c76-cb61-72ec-85e1-ac4e98df179e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_019e2c76-cb61-7bd7-9576-e2dc17eda62b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_019e2c76-cb61-72ec-85e1-ac4e98df179e" xlink:to="loc_us-gaap_DerivativeTable_019e2c76-cb61-7bd7-9576-e2dc17eda62b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb61-789f-8602-1cf38fd86f63" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_019e2c76-cb61-7bd7-9576-e2dc17eda62b" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb61-789f-8602-1cf38fd86f63" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-789f-8602-1cf38fd86f63_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb61-789f-8602-1cf38fd86f63" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-789f-8602-1cf38fd86f63_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-7d59-bf90-d35355c67a37" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb61-789f-8602-1cf38fd86f63" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-7d59-bf90-d35355c67a37" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_019e2c76-cb61-798c-98c6-a6ac13dd3c69" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-7d59-bf90-d35355c67a37" xlink:to="loc_us-gaap_ForeignExchangeContractMember_019e2c76-cb61-798c-98c6-a6ac13dd3c69" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrencySwapMember_019e2c76-cb61-7c89-be9f-f08455768fe5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CurrencySwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-7d59-bf90-d35355c67a37" xlink:to="loc_us-gaap_CurrencySwapMember_019e2c76-cb61-7c89-be9f-f08455768fe5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_CrossCurrencySwapTrancheOneMember_019e2c76-cb61-709f-a26e-c76ea7d66829" xlink:href="agco-20260630.xsd#agco_CrossCurrencySwapTrancheOneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-7d59-bf90-d35355c67a37" xlink:to="loc_agco_CrossCurrencySwapTrancheOneMember_019e2c76-cb61-709f-a26e-c76ea7d66829" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_CrossCurrencySwapTrancheTwoMember_019e2c76-cb61-7a69-ab43-fdc0eaa4773b" xlink:href="agco-20260630.xsd#agco_CrossCurrencySwapTrancheTwoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-7d59-bf90-d35355c67a37" xlink:to="loc_agco_CrossCurrencySwapTrancheTwoMember_019e2c76-cb61-7a69-ab43-fdc0eaa4773b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_CrossCurrencySwapTrancheThreeMember_019e2c76-cb61-742a-b2a6-7a7a4025dded" xlink:href="agco-20260630.xsd#agco_CrossCurrencySwapTrancheThreeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-7d59-bf90-d35355c67a37" xlink:to="loc_agco_CrossCurrencySwapTrancheThreeMember_019e2c76-cb61-742a-b2a6-7a7a4025dded" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_CrossCurrencySwapPaymentMember_019e2c76-cb61-7629-9e23-eae9c86f7167" xlink:href="agco-20260630.xsd#agco_CrossCurrencySwapPaymentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-7d59-bf90-d35355c67a37" xlink:to="loc_agco_CrossCurrencySwapPaymentMember_019e2c76-cb61-7629-9e23-eae9c86f7167" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019e2c76-cb61-7fab-a9cf-f799054913ac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_019e2c76-cb61-7bd7-9576-e2dc17eda62b" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019e2c76-cb61-7fab-a9cf-f799054913ac" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_019e2c76-cb61-7fab-a9cf-f799054913ac_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019e2c76-cb61-7fab-a9cf-f799054913ac" xlink:to="loc_us-gaap_HedgingRelationshipDomain_019e2c76-cb61-7fab-a9cf-f799054913ac_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_019e2c76-cb61-7f82-bec6-fe5e447139c6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019e2c76-cb61-7fab-a9cf-f799054913ac" xlink:to="loc_us-gaap_HedgingRelationshipDomain_019e2c76-cb61-7f82-bec6-fe5e447139c6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowHedgingMember_019e2c76-cb61-7f05-972c-2ac0cc01d960" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashFlowHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_019e2c76-cb61-7f82-bec6-fe5e447139c6" xlink:to="loc_us-gaap_CashFlowHedgingMember_019e2c76-cb61-7f05-972c-2ac0cc01d960" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetInvestmentHedgingMember_019e2c76-cb61-7a33-bfa2-e89f94626fb9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetInvestmentHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_019e2c76-cb61-7f82-bec6-fe5e447139c6" xlink:to="loc_us-gaap_NetInvestmentHedgingMember_019e2c76-cb61-7a33-bfa2-e89f94626fb9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_019e2c76-cb61-7ae6-a36e-44b48d59ccd0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_019e2c76-cb61-7bd7-9576-e2dc17eda62b" xlink:to="loc_us-gaap_HedgingDesignationAxis_019e2c76-cb61-7ae6-a36e-44b48d59ccd0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-7ae6-a36e-44b48d59ccd0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_019e2c76-cb61-7ae6-a36e-44b48d59ccd0" xlink:to="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-7ae6-a36e-44b48d59ccd0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-79f8-bf2c-e43a705ddbdf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_019e2c76-cb61-7ae6-a36e-44b48d59ccd0" xlink:to="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-79f8-bf2c-e43a705ddbdf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019e2c76-cb61-7668-9664-05386638b970" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-79f8-bf2c-e43a705ddbdf" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019e2c76-cb61-7668-9664-05386638b970" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_019e2c76-cb61-71dd-90ec-7f8be7f66196" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NondesignatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-79f8-bf2c-e43a705ddbdf" xlink:to="loc_us-gaap_NondesignatedMember_019e2c76-cb61-71dd-90ec-7f8be7f66196" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019e2c76-cb61-73c1-931a-ecfa9c0d7f33" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_019e2c76-cb61-7bd7-9576-e2dc17eda62b" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019e2c76-cb61-73c1-931a-ecfa9c0d7f33" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e2c76-cb61-73c1-931a-ecfa9c0d7f33_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019e2c76-cb61-73c1-931a-ecfa9c0d7f33" xlink:to="loc_us-gaap_EquityComponentDomain_019e2c76-cb61-73c1-931a-ecfa9c0d7f33_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e2c76-cb61-757e-b71f-24f2eac21280" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019e2c76-cb61-73c1-931a-ecfa9c0d7f33" xlink:to="loc_us-gaap_EquityComponentDomain_019e2c76-cb61-757e-b71f-24f2eac21280" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_019e2c76-cb61-795b-bb9d-20e9c8dffcba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e2c76-cb61-757e-b71f-24f2eac21280" xlink:to="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_019e2c76-cb61-795b-bb9d-20e9c8dffcba" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CurrencyAxis_019e2c76-cb61-7d93-a96a-34f0beb88637" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_CurrencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_019e2c76-cb61-7bd7-9576-e2dc17eda62b" xlink:to="loc_srt_CurrencyAxis_019e2c76-cb61-7d93-a96a-34f0beb88637" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_currency_AllCurrenciesDomain_019e2c76-cb61-7d93-a96a-34f0beb88637_default" xlink:href="https://xbrl.sec.gov/currency/2026/currency-2026.xsd#currency_AllCurrenciesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CurrencyAxis_019e2c76-cb61-7d93-a96a-34f0beb88637" xlink:to="loc_currency_AllCurrenciesDomain_019e2c76-cb61-7d93-a96a-34f0beb88637_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_currency_AllCurrenciesDomain_019e2c76-cb61-7ef9-bd95-4f2a5f5feb96" xlink:href="https://xbrl.sec.gov/currency/2026/currency-2026.xsd#currency_AllCurrenciesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CurrencyAxis_019e2c76-cb61-7d93-a96a-34f0beb88637" xlink:to="loc_currency_AllCurrenciesDomain_019e2c76-cb61-7ef9-bd95-4f2a5f5feb96" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_currency_EUR_019e2c76-cb61-7917-991d-3b95390f6bc1" xlink:href="https://xbrl.sec.gov/currency/2026/currency-2026.xsd#currency_EUR"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_currency_AllCurrenciesDomain_019e2c76-cb61-7ef9-bd95-4f2a5f5feb96" xlink:to="loc_currency_EUR_019e2c76-cb61-7917-991d-3b95390f6bc1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_currency_CHF_019e2c76-cb61-7747-8b65-73a8a8bd2622" xlink:href="https://xbrl.sec.gov/currency/2026/currency-2026.xsd#currency_CHF"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_currency_AllCurrenciesDomain_019e2c76-cb61-7ef9-bd95-4f2a5f5feb96" xlink:to="loc_currency_CHF_019e2c76-cb61-7747-8b65-73a8a8bd2622" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_019e2c76-cb61-7d98-87b2-5b4c50e55857" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeNotionalAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019e2c76-cb61-72ec-85e1-ac4e98df179e" xlink:to="loc_us-gaap_DerivativeNotionalAmount_019e2c76-cb61-7d98-87b2-5b4c50e55857" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossBeforeTax1_019e2c76-cb61-7fbc-813a-bbbf27b52735" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossBeforeTax1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019e2c76-cb61-72ec-85e1-ac4e98df179e" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossBeforeTax1_019e2c76-cb61-7fbc-813a-bbbf27b52735" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTermOfContract_019e2c76-cb61-7e7b-9f88-8d9f78f6e838" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeTermOfContract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019e2c76-cb61-72ec-85e1-ac4e98df179e" xlink:to="loc_us-gaap_DerivativeTermOfContract_019e2c76-cb61-7e7b-9f88-8d9f78f6e838" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/DerivativeInstrumentsandHedgingActivitiesSummaryOfAccumulatedOtherComprehensiveLossRelatedToDerivativesDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#DerivativeInstrumentsandHedgingActivitiesSummaryOfAccumulatedOtherComprehensiveLossRelatedToDerivativesDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/DerivativeInstrumentsandHedgingActivitiesSummaryOfAccumulatedOtherComprehensiveLossRelatedToDerivativesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_agco_ScheduleOfStockholdersEquityLineItems_019e2c76-cb61-768f-9ab7-f8d46b476f1d" xlink:href="agco-20260630.xsd#agco_ScheduleOfStockholdersEquityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_ScheduleOfStockholdersEquityTable_019e2c76-cb61-7d15-9e3c-24f7b7e54be2" xlink:href="agco-20260630.xsd#agco_ScheduleOfStockholdersEquityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_agco_ScheduleOfStockholdersEquityLineItems_019e2c76-cb61-768f-9ab7-f8d46b476f1d" xlink:to="loc_agco_ScheduleOfStockholdersEquityTable_019e2c76-cb61-7d15-9e3c-24f7b7e54be2" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019e2c76-cb61-7aca-857c-3536f836a82e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_agco_ScheduleOfStockholdersEquityTable_019e2c76-cb61-7d15-9e3c-24f7b7e54be2" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019e2c76-cb61-7aca-857c-3536f836a82e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e2c76-cb61-7aca-857c-3536f836a82e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019e2c76-cb61-7aca-857c-3536f836a82e" xlink:to="loc_us-gaap_EquityComponentDomain_019e2c76-cb61-7aca-857c-3536f836a82e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e2c76-cb61-7b1d-8e25-a058fff03b12" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019e2c76-cb61-7aca-857c-3536f836a82e" xlink:to="loc_us-gaap_EquityComponentDomain_019e2c76-cb61-7b1d-8e25-a058fff03b12" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_019e2c76-cb61-7ebd-84af-b68b1e6712a6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e2c76-cb61-7b1d-8e25-a058fff03b12" xlink:to="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_019e2c76-cb61-7ebd-84af-b68b1e6712a6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb61-7bf8-b771-97208d9bd62e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_agco_ScheduleOfStockholdersEquityTable_019e2c76-cb61-7d15-9e3c-24f7b7e54be2" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb61-7bf8-b771-97208d9bd62e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-7bf8-b771-97208d9bd62e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb61-7bf8-b771-97208d9bd62e" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-7bf8-b771-97208d9bd62e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-731e-96d4-347d7c1b1e8a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb61-7bf8-b771-97208d9bd62e" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-731e-96d4-347d7c1b1e8a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_019e2c76-cb61-716b-9361-712c9ee40be7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-731e-96d4-347d7c1b1e8a" xlink:to="loc_us-gaap_ForeignExchangeContractMember_019e2c76-cb61-716b-9361-712c9ee40be7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryLockMember_019e2c76-cb61-7cec-9111-5c238f2fdd52" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryLockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-731e-96d4-347d7c1b1e8a" xlink:to="loc_us-gaap_TreasuryLockMember_019e2c76-cb61-7cec-9111-5c238f2fdd52" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesInPeriodBeforeTaxRollForward_019e2c76-cb61-7aab-a8be-68aeaae2cb2d" xlink:href="agco-20260630.xsd#agco_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesInPeriodBeforeTaxRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_agco_ScheduleOfStockholdersEquityLineItems_019e2c76-cb61-768f-9ab7-f8d46b476f1d" xlink:to="loc_agco_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesInPeriodBeforeTaxRollForward_019e2c76-cb61-7aab-a8be-68aeaae2cb2d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossBeforeTax1_019e2c76-cb61-7745-9106-1019cfa1debf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossBeforeTax1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_agco_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesInPeriodBeforeTaxRollForward_019e2c76-cb61-7aab-a8be-68aeaae2cb2d" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossBeforeTax1_019e2c76-cb61-7745-9106-1019cfa1debf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax_019e2c76-cb61-7f4c-8924-d443cf8a2b6e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_agco_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesInPeriodBeforeTaxRollForward_019e2c76-cb61-7aab-a8be-68aeaae2cb2d" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax_019e2c76-cb61-7f4c-8924-d443cf8a2b6e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_019e2c76-cb61-7291-901c-91bb0c9daf5b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_agco_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesInPeriodBeforeTaxRollForward_019e2c76-cb61-7aab-a8be-68aeaae2cb2d" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_019e2c76-cb61-7291-901c-91bb0c9daf5b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossBeforeTax1_019e2c76-cb61-785c-91c3-18c241ca3fab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossBeforeTax1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesInPeriodTaxRollForward_019e2c76-cb61-7e88-afed-fd9488be454a" xlink:href="agco-20260630.xsd#agco_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesInPeriodTaxRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_agco_ScheduleOfStockholdersEquityLineItems_019e2c76-cb61-768f-9ab7-f8d46b476f1d" xlink:to="loc_agco_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesInPeriodTaxRollForward_019e2c76-cb61-7e88-afed-fd9488be454a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AociIncludingPortionAttributableToNoncontrollingInterestTax_019e2c76-cb61-748d-af32-50dfc9483ad7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AociIncludingPortionAttributableToNoncontrollingInterestTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_agco_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesInPeriodTaxRollForward_019e2c76-cb61-7e88-afed-fd9488be454a" xlink:to="loc_us-gaap_AociIncludingPortionAttributableToNoncontrollingInterestTax_019e2c76-cb61-748d-af32-50dfc9483ad7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax_019e2c76-cb61-7844-a7b8-fec2cefe815b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_agco_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesInPeriodTaxRollForward_019e2c76-cb61-7e88-afed-fd9488be454a" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax_019e2c76-cb61-7844-a7b8-fec2cefe815b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAociCurrentPeriodTax_019e2c76-cb61-7913-b303-a6e1945034db" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationFromAociCurrentPeriodTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_agco_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesInPeriodTaxRollForward_019e2c76-cb61-7e88-afed-fd9488be454a" xlink:to="loc_us-gaap_ReclassificationFromAociCurrentPeriodTax_019e2c76-cb61-7913-b303-a6e1945034db" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AociIncludingPortionAttributableToNoncontrollingInterestTax_019e2c76-cb61-7015-968b-50d2f5000388" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AociIncludingPortionAttributableToNoncontrollingInterestTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesInPeriodNetOfTaxRollForward_019e2c76-cb61-790a-9eea-c284bcd2b4c1" xlink:href="agco-20260630.xsd#agco_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesInPeriodNetOfTaxRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_agco_ScheduleOfStockholdersEquityLineItems_019e2c76-cb61-768f-9ab7-f8d46b476f1d" xlink:to="loc_agco_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesInPeriodNetOfTaxRollForward_019e2c76-cb61-790a-9eea-c284bcd2b4c1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019e2c76-cb61-71d2-acc2-bc40c48b4cae" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_agco_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesInPeriodNetOfTaxRollForward_019e2c76-cb61-790a-9eea-c284bcd2b4c1" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019e2c76-cb61-71d2-acc2-bc40c48b4cae" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_019e2c76-cb61-7c9a-855e-1ce472e7abe4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_agco_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesInPeriodNetOfTaxRollForward_019e2c76-cb61-790a-9eea-c284bcd2b4c1" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_019e2c76-cb61-7c9a-855e-1ce472e7abe4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_019e2c76-cb61-7318-9fc9-dde8cd43712c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_agco_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesInPeriodNetOfTaxRollForward_019e2c76-cb61-790a-9eea-c284bcd2b4c1" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_019e2c76-cb61-7318-9fc9-dde8cd43712c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019e2c76-cb61-7764-bcc3-8da8bb31aa50" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/DerivativeInstrumentsandHedgingActivitiesNotionalValueandChangeinFairValueofNetInvestmentHedgesDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#DerivativeInstrumentsandHedgingActivitiesNotionalValueandChangeinFairValueofNetInvestmentHedgesDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/DerivativeInstrumentsandHedgingActivitiesNotionalValueandChangeinFairValueofNetInvestmentHedgesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_019e2c76-cb61-76ac-b77d-06c27c19da3e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_019e2c76-cb61-7a48-ae21-64d4eca20278" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_019e2c76-cb61-76ac-b77d-06c27c19da3e" xlink:to="loc_us-gaap_DerivativeTable_019e2c76-cb61-7a48-ae21-64d4eca20278" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb61-77a9-88b6-9c041c4dd462" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_019e2c76-cb61-7a48-ae21-64d4eca20278" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb61-77a9-88b6-9c041c4dd462" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-77a9-88b6-9c041c4dd462_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb61-77a9-88b6-9c041c4dd462" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-77a9-88b6-9c041c4dd462_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-77bf-b2d1-95643d656bc3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb61-77a9-88b6-9c041c4dd462" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-77bf-b2d1-95643d656bc3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CrossCurrencyInterestRateContractMember_019e2c76-cb61-7f97-93bc-e36ee11ee1fe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CrossCurrencyInterestRateContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-77bf-b2d1-95643d656bc3" xlink:to="loc_us-gaap_CrossCurrencyInterestRateContractMember_019e2c76-cb61-7f97-93bc-e36ee11ee1fe" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019e2c76-cb61-7b46-9210-9bf8b0824e5b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_019e2c76-cb61-7a48-ae21-64d4eca20278" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019e2c76-cb61-7b46-9210-9bf8b0824e5b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_019e2c76-cb61-7b46-9210-9bf8b0824e5b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019e2c76-cb61-7b46-9210-9bf8b0824e5b" xlink:to="loc_us-gaap_HedgingRelationshipDomain_019e2c76-cb61-7b46-9210-9bf8b0824e5b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_019e2c76-cb61-70b8-96e7-b3cd4a822e4a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019e2c76-cb61-7b46-9210-9bf8b0824e5b" xlink:to="loc_us-gaap_HedgingRelationshipDomain_019e2c76-cb61-70b8-96e7-b3cd4a822e4a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetInvestmentHedgingMember_019e2c76-cb61-74ff-91ca-5f4e759fb6da" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetInvestmentHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_019e2c76-cb61-70b8-96e7-b3cd4a822e4a" xlink:to="loc_us-gaap_NetInvestmentHedgingMember_019e2c76-cb61-74ff-91ca-5f4e759fb6da" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_019e2c76-cb61-7e12-bcf8-5042cec92f45" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_019e2c76-cb61-7a48-ae21-64d4eca20278" xlink:to="loc_us-gaap_HedgingDesignationAxis_019e2c76-cb61-7e12-bcf8-5042cec92f45" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-7e12-bcf8-5042cec92f45_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_019e2c76-cb61-7e12-bcf8-5042cec92f45" xlink:to="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-7e12-bcf8-5042cec92f45_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-71e2-b5c4-1e4e6ce339be" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_019e2c76-cb61-7e12-bcf8-5042cec92f45" xlink:to="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-71e2-b5c4-1e4e6ce339be" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019e2c76-cb61-7fb9-b81c-9cee2475de3e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-71e2-b5c4-1e4e6ce339be" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019e2c76-cb61-7fb9-b81c-9cee2475de3e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_019e2c76-cb61-7c3e-9e3c-1bc3d1889a19" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeNotionalAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019e2c76-cb61-76ac-b77d-06c27c19da3e" xlink:to="loc_us-gaap_DerivativeNotionalAmount_019e2c76-cb61-7c3e-9e3c-1bc3d1889a19" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax_019e2c76-cb61-716e-aa34-9259f20a8ebd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019e2c76-cb61-76ac-b77d-06c27c19da3e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax_019e2c76-cb61-716e-aa34-9259f20a8ebd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationTax_019e2c76-cb61-795c-9d33-296d10f79604" xlink:href="agco-20260630.xsd#agco_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019e2c76-cb61-76ac-b77d-06c27c19da3e" xlink:to="loc_agco_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationTax_019e2c76-cb61-795c-9d33-296d10f79604" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAfterTax_019e2c76-cb61-7e1f-bd80-2384f7a4962b" xlink:href="agco-20260630.xsd#agco_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAfterTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019e2c76-cb61-76ac-b77d-06c27c19da3e" xlink:to="loc_agco_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAfterTax_019e2c76-cb61-7e1f-bd80-2384f7a4962b" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/DerivativeInstrumentsandHedgingActivitiesDerivativesnotDesignatedasHedgingInstrumentsDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#DerivativeInstrumentsandHedgingActivitiesDerivativesnotDesignatedasHedgingInstrumentsDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/DerivativeInstrumentsandHedgingActivitiesDerivativesnotDesignatedasHedgingInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019e2c76-cb61-7961-a7e0-cb186d2c221c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019e2c76-cb61-7264-8d57-4d3135d74687" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019e2c76-cb61-7961-a7e0-cb186d2c221c" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019e2c76-cb61-7264-8d57-4d3135d74687" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb61-7eec-9f61-a964fe6ad1f1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019e2c76-cb61-7264-8d57-4d3135d74687" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb61-7eec-9f61-a964fe6ad1f1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-7eec-9f61-a964fe6ad1f1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb61-7eec-9f61-a964fe6ad1f1" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-7eec-9f61-a964fe6ad1f1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-72ec-8b8d-9fa69c587f01" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb61-7eec-9f61-a964fe6ad1f1" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-72ec-8b8d-9fa69c587f01" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_019e2c76-cb61-7b55-8866-4c438c7b32a2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-72ec-8b8d-9fa69c587f01" xlink:to="loc_us-gaap_ForeignExchangeContractMember_019e2c76-cb61-7b55-8866-4c438c7b32a2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_019e2c76-cb61-7929-bd89-60b9fa3973d9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019e2c76-cb61-7264-8d57-4d3135d74687" xlink:to="loc_us-gaap_HedgingDesignationAxis_019e2c76-cb61-7929-bd89-60b9fa3973d9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-7929-bd89-60b9fa3973d9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_019e2c76-cb61-7929-bd89-60b9fa3973d9" xlink:to="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-7929-bd89-60b9fa3973d9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-7e0d-8cb0-0cf3f1658963" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_019e2c76-cb61-7929-bd89-60b9fa3973d9" xlink:to="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-7e0d-8cb0-0cf3f1658963" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_019e2c76-cb61-77df-a623-aa2275cb9905" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NondesignatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-7e0d-8cb0-0cf3f1658963" xlink:to="loc_us-gaap_NondesignatedMember_019e2c76-cb61-77df-a623-aa2275cb9905" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfIncomeLocationBalanceAxis_019e2c76-cb61-7d38-8f46-fc944640bf9b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementOfIncomeLocationBalanceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019e2c76-cb61-7264-8d57-4d3135d74687" xlink:to="loc_us-gaap_StatementOfIncomeLocationBalanceAxis_019e2c76-cb61-7d38-8f46-fc944640bf9b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_019e2c76-cb61-735f-9440-b1886541c14a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019e2c76-cb61-7961-a7e0-cb186d2c221c" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_019e2c76-cb61-735f-9440-b1886541c14a" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/DerivativeInstrumentsandHedgingActivitiesDerivativesnotDesignatedasHedgingInstrumentsDetails_1" xlink:type="simple" xlink:href="agco-20260630.xsd#DerivativeInstrumentsandHedgingActivitiesDerivativesnotDesignatedasHedgingInstrumentsDetails_1"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/DerivativeInstrumentsandHedgingActivitiesDerivativesnotDesignatedasHedgingInstrumentsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019e2c76-cb61-7961-a7e0-cb186d2c221c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019e2c76-cb61-7264-8d57-4d3135d74687" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019e2c76-cb61-7961-a7e0-cb186d2c221c" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019e2c76-cb61-7264-8d57-4d3135d74687" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb61-7eec-9f61-a964fe6ad1f1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019e2c76-cb61-7264-8d57-4d3135d74687" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb61-7eec-9f61-a964fe6ad1f1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-7eec-9f61-a964fe6ad1f1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb61-7eec-9f61-a964fe6ad1f1" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-7eec-9f61-a964fe6ad1f1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-72ec-8b8d-9fa69c587f01" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb61-7eec-9f61-a964fe6ad1f1" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-72ec-8b8d-9fa69c587f01" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_019e2c76-cb61-7b55-8866-4c438c7b32a2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-72ec-8b8d-9fa69c587f01" xlink:to="loc_us-gaap_ForeignExchangeContractMember_019e2c76-cb61-7b55-8866-4c438c7b32a2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_019e2c76-cb61-7929-bd89-60b9fa3973d9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_019e2c76-cb61-7264-8d57-4d3135d74687" xlink:to="loc_us-gaap_HedgingDesignationAxis_019e2c76-cb61-7929-bd89-60b9fa3973d9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-7929-bd89-60b9fa3973d9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_019e2c76-cb61-7929-bd89-60b9fa3973d9" xlink:to="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-7929-bd89-60b9fa3973d9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-7e0d-8cb0-0cf3f1658963" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_019e2c76-cb61-7929-bd89-60b9fa3973d9" xlink:to="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-7e0d-8cb0-0cf3f1658963" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_019e2c76-cb61-77df-a623-aa2275cb9905" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NondesignatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-7e0d-8cb0-0cf3f1658963" xlink:to="loc_us-gaap_NondesignatedMember_019e2c76-cb61-77df-a623-aa2275cb9905" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_019e2c76-cb61-735f-9440-b1886541c14a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_019e2c76-cb61-7961-a7e0-cb186d2c221c" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_019e2c76-cb61-735f-9440-b1886541c14a" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/DerivativeInstrumentsandHedgingActivitiesFairValueOfDerivativeInstrumentsDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#DerivativeInstrumentsandHedgingActivitiesFairValueOfDerivativeInstrumentsDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/DerivativeInstrumentsandHedgingActivitiesFairValueOfDerivativeInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_019e2c76-cb61-7429-b58d-60ac5f9f7661" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativesFairValueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019e2c76-cb61-7bbe-849b-1b5a93986518" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_019e2c76-cb61-7429-b58d-60ac5f9f7661" xlink:to="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019e2c76-cb61-7bbe-849b-1b5a93986518" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb61-7f49-a56a-3f714e58c9bc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019e2c76-cb61-7bbe-849b-1b5a93986518" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb61-7f49-a56a-3f714e58c9bc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-7f49-a56a-3f714e58c9bc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb61-7f49-a56a-3f714e58c9bc" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-7f49-a56a-3f714e58c9bc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-7c18-a7bf-d6d1ee841636" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb61-7f49-a56a-3f714e58c9bc" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-7c18-a7bf-d6d1ee841636" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_019e2c76-cb61-716e-99e7-2232226e03f8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-7c18-a7bf-d6d1ee841636" xlink:to="loc_us-gaap_ForeignExchangeContractMember_019e2c76-cb61-716e-99e7-2232226e03f8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrencySwapMember_019e2c76-cb61-73ec-97b3-19fa1c53a17a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CurrencySwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb61-7c18-a7bf-d6d1ee841636" xlink:to="loc_us-gaap_CurrencySwapMember_019e2c76-cb61-73ec-97b3-19fa1c53a17a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_019e2c76-cb61-707a-9d6a-1937a6eb9164" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019e2c76-cb61-7bbe-849b-1b5a93986518" xlink:to="loc_us-gaap_HedgingDesignationAxis_019e2c76-cb61-707a-9d6a-1937a6eb9164" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-707a-9d6a-1937a6eb9164_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_019e2c76-cb61-707a-9d6a-1937a6eb9164" xlink:to="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-707a-9d6a-1937a6eb9164_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-7600-a483-e72b5edd061b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_019e2c76-cb61-707a-9d6a-1937a6eb9164" xlink:to="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-7600-a483-e72b5edd061b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019e2c76-cb61-7959-8d85-dd539921d242" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-7600-a483-e72b5edd061b" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019e2c76-cb61-7959-8d85-dd539921d242" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_019e2c76-cb61-7272-bf2b-565a638be11c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NondesignatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019e2c76-cb61-7600-a483-e72b5edd061b" xlink:to="loc_us-gaap_NondesignatedMember_019e2c76-cb61-7272-bf2b-565a638be11c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_019e2c76-cb61-71cd-b2ec-0475d4cf9054" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_019e2c76-cb61-7429-b58d-60ac5f9f7661" xlink:to="loc_us-gaap_DerivativeAssets_019e2c76-cb61-71cd-b2ec-0475d4cf9054" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_019e2c76-cb61-7136-a046-97ce411bfd04" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_019e2c76-cb61-7429-b58d-60ac5f9f7661" xlink:to="loc_us-gaap_DerivativeLiabilities_019e2c76-cb61-7136-a046-97ce411bfd04" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/StockholdersEquityScheduleofStockholdersEquityDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#StockholdersEquityScheduleofStockholdersEquityDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/StockholdersEquityScheduleofStockholdersEquityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_agco_ScheduleOfStockholdersEquityLineItems_019e2c76-cb62-76f1-9026-7ad6176e05a6" xlink:href="agco-20260630.xsd#agco_ScheduleOfStockholdersEquityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_ScheduleOfStockholdersEquityTable_019e2c76-cb62-750f-9b70-bfc72d5d8aa5" xlink:href="agco-20260630.xsd#agco_ScheduleOfStockholdersEquityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_agco_ScheduleOfStockholdersEquityLineItems_019e2c76-cb62-76f1-9026-7ad6176e05a6" xlink:to="loc_agco_ScheduleOfStockholdersEquityTable_019e2c76-cb62-750f-9b70-bfc72d5d8aa5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019e2c76-cb62-7b70-8876-097e043536d9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_agco_ScheduleOfStockholdersEquityTable_019e2c76-cb62-750f-9b70-bfc72d5d8aa5" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019e2c76-cb62-7b70-8876-097e043536d9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e2c76-cb62-7b70-8876-097e043536d9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019e2c76-cb62-7b70-8876-097e043536d9" xlink:to="loc_us-gaap_EquityComponentDomain_019e2c76-cb62-7b70-8876-097e043536d9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e2c76-cb62-70b3-b516-a7cf603d6592" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019e2c76-cb62-7b70-8876-097e043536d9" xlink:to="loc_us-gaap_EquityComponentDomain_019e2c76-cb62-70b3-b516-a7cf603d6592" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_019e2c76-cb62-728f-9f7e-23f676e7ed89" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e2c76-cb62-70b3-b516-a7cf603d6592" xlink:to="loc_us-gaap_CommonStockMember_019e2c76-cb62-728f-9f7e-23f676e7ed89" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_019e2c76-cb62-7246-8a80-f2ace9ce5830" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e2c76-cb62-70b3-b516-a7cf603d6592" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_019e2c76-cb62-7246-8a80-f2ace9ce5830" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_019e2c76-cb62-7774-bf09-e806800e6b3d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e2c76-cb62-70b3-b516-a7cf603d6592" xlink:to="loc_us-gaap_RetainedEarningsMember_019e2c76-cb62-7774-bf09-e806800e6b3d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019e2c76-cb62-7b49-aecc-3230f31ef6c6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e2c76-cb62-70b3-b516-a7cf603d6592" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019e2c76-cb62-7b49-aecc-3230f31ef6c6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_019e2c76-cb62-7838-9ed4-68b68e5e9103" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInTemporaryEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_agco_ScheduleOfStockholdersEquityLineItems_019e2c76-cb62-76f1-9026-7ad6176e05a6" xlink:to="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_019e2c76-cb62-7838-9ed4-68b68e5e9103" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_019e2c76-cb62-7c97-8cf9-8258fd975dc3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_019e2c76-cb62-7838-9ed4-68b68e5e9103" xlink:to="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_019e2c76-cb62-7c97-8cf9-8258fd975dc3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityNetIncome_019e2c76-cb62-7be8-8f93-a595065cba03" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquityNetIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_019e2c76-cb62-7838-9ed4-68b68e5e9103" xlink:to="loc_us-gaap_TemporaryEquityNetIncome_019e2c76-cb62-7be8-8f93-a595065cba03" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityForeignCurrencyTranslationAdjustments_019e2c76-cb62-7af6-9cd4-0fabbed14b67" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquityForeignCurrencyTranslationAdjustments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_019e2c76-cb62-7838-9ed4-68b68e5e9103" xlink:to="loc_us-gaap_TemporaryEquityForeignCurrencyTranslationAdjustments_019e2c76-cb62-7af6-9cd4-0fabbed14b67" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_019e2c76-cb62-71e1-96f9-3d080bfc9878" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e2c76-cb62-765f-811b-c74a9a5a2722" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_agco_ScheduleOfStockholdersEquityLineItems_019e2c76-cb62-76f1-9026-7ad6176e05a6" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e2c76-cb62-765f-811b-c74a9a5a2722" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019e2c76-cb62-70d5-b126-2f008b580025" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e2c76-cb62-765f-811b-c74a9a5a2722" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019e2c76-cb62-70d5-b126-2f008b580025" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_APICShareBasedCompensationValueRequisiteServicePeriodRecognitionSharesIssuedSSARsExercisesNetOfTaxWithholdings_019e2c76-cb62-7f06-b72b-8a514304c93a" xlink:href="agco-20260630.xsd#agco_APICShareBasedCompensationValueRequisiteServicePeriodRecognitionSharesIssuedSSARsExercisesNetOfTaxWithholdings"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e2c76-cb62-765f-811b-c74a9a5a2722" xlink:to="loc_agco_APICShareBasedCompensationValueRequisiteServicePeriodRecognitionSharesIssuedSSARsExercisesNetOfTaxWithholdings_019e2c76-cb62-7f06-b72b-8a514304c93a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_ForwardShareRepurchaseContractValue_019f8f79-c252-7f1d-83c5-074cf9d84b20" xlink:href="agco-20260630.xsd#agco_ForwardShareRepurchaseContractValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e2c76-cb62-765f-811b-c74a9a5a2722" xlink:to="loc_agco_ForwardShareRepurchaseContractValue_019f8f79-c252-7f1d-83c5-074cf9d84b20" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract_019e2c76-cb62-764d-b351-3f01e3db63dc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e2c76-cb62-765f-811b-c74a9a5a2722" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract_019e2c76-cb62-764d-b351-3f01e3db63dc" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019e2c76-cb62-7126-8c08-e4d8460f41ae" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract_019e2c76-cb62-764d-b351-3f01e3db63dc" xlink:to="loc_us-gaap_NetIncomeLoss_019e2c76-cb62-7126-8c08-e4d8460f41ae" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_019e2c76-cb62-7544-ab2a-a1816bcb2692" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract_019e2c76-cb62-764d-b351-3f01e3db63dc" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_019e2c76-cb62-7544-ab2a-a1816bcb2692" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_019e2c76-cb62-7b67-a959-525fc4aabd97" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_019e2c76-cb62-7544-ab2a-a1816bcb2692" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_019e2c76-cb62-7b67-a959-525fc4aabd97" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_019e2c76-cb62-79b0-b8bc-fb28a1948b96" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_019e2c76-cb62-7544-ab2a-a1816bcb2692" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_019e2c76-cb62-79b0-b8bc-fb28a1948b96" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_019e2c76-cb62-7539-bef9-7a4cbc84e235" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_019e2c76-cb62-7544-ab2a-a1816bcb2692" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_019e2c76-cb62-7539-bef9-7a4cbc84e235" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsCommonStockCash_019e2c76-cb62-7899-a731-3c394b7be7bb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DividendsCommonStockCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e2c76-cb62-765f-811b-c74a9a5a2722" xlink:to="loc_us-gaap_DividendsCommonStockCash_019e2c76-cb62-7899-a731-3c394b7be7bb" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_019e632d-be57-7c2e-a744-886f5be557b6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019e2c76-cb62-765f-811b-c74a9a5a2722" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_019e632d-be57-7c2e-a744-886f5be557b6" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019e2c76-cb62-7f9f-98d9-df3d9c12933e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/StockholdersEquityChangesinAccumulatedOtherComprehensiveIncomeLossDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#StockholdersEquityChangesinAccumulatedOtherComprehensiveIncomeLossDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/StockholdersEquityChangesinAccumulatedOtherComprehensiveIncomeLossDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019e2c76-cb62-7113-9151-f16b03345b34" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019e2c76-cb62-7911-af2e-2ce29b88c7ec" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019e2c76-cb62-7113-9151-f16b03345b34" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019e2c76-cb62-7911-af2e-2ce29b88c7ec" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019e2c76-cb62-7e54-8796-dc7a812183f2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_019e2c76-cb62-7911-af2e-2ce29b88c7ec" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019e2c76-cb62-7e54-8796-dc7a812183f2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e2c76-cb62-7e54-8796-dc7a812183f2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019e2c76-cb62-7e54-8796-dc7a812183f2" xlink:to="loc_us-gaap_EquityComponentDomain_019e2c76-cb62-7e54-8796-dc7a812183f2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e2c76-cb62-776f-b10d-4cc3b783e4b4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019e2c76-cb62-7e54-8796-dc7a812183f2" xlink:to="loc_us-gaap_EquityComponentDomain_019e2c76-cb62-776f-b10d-4cc3b783e4b4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019e2c76-cb62-7a0a-a51a-da2c631f08b1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e2c76-cb62-776f-b10d-4cc3b783e4b4" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019e2c76-cb62-7a0a-a51a-da2c631f08b1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_019e2c76-cb62-7644-92dc-7df471335cc8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019e2c76-cb62-7a0a-a51a-da2c631f08b1" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_019e2c76-cb62-7644-92dc-7df471335cc8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_019e2c76-cb62-7464-a790-e4b0e2710868" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019e2c76-cb62-7a0a-a51a-da2c631f08b1" xlink:to="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_019e2c76-cb62-7464-a790-e4b0e2710868" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_019e2c76-cb62-7b84-a219-e01fdefb5273" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedTranslationAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019e2c76-cb62-7a0a-a51a-da2c631f08b1" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_019e2c76-cb62-7b84-a219-e01fdefb5273" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_019e2c76-cb62-73a9-8166-7c3d5ee5e94d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_019e2c76-cb62-7113-9151-f16b03345b34" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_019e2c76-cb62-73a9-8166-7c3d5ee5e94d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019e2c76-cb62-799a-8b72-cd8eb8cd161e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_019e2c76-cb62-73a9-8166-7c3d5ee5e94d" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019e2c76-cb62-799a-8b72-cd8eb8cd161e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_019e2c76-cb62-7a39-b3af-1b1d0db2fef9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_019e2c76-cb62-73a9-8166-7c3d5ee5e94d" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_019e2c76-cb62-7a39-b3af-1b1d0db2fef9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_019e2c76-cb62-73b1-8473-e739050501b3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_019e2c76-cb62-73a9-8166-7c3d5ee5e94d" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_019e2c76-cb62-73b1-8473-e739050501b3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019e2c76-cb62-7ac1-bd96-96acfd5aeed6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_019e2c76-cb62-73a9-8166-7c3d5ee5e94d" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019e2c76-cb62-7ac1-bd96-96acfd5aeed6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019e2c76-cb62-7d42-8566-b5c699e48922" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/StockholdersEquityReclassificationsoutofAccumulatedOtherComprehensiveIncomeLossDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#StockholdersEquityReclassificationsoutofAccumulatedOtherComprehensiveIncomeLossDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/StockholdersEquityReclassificationsoutofAccumulatedOtherComprehensiveIncomeLossDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems_019e2c76-cb62-7087-b52f-2f54371b41e0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_019e2c76-cb62-785e-b8dc-91318f1ebbae" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems_019e2c76-cb62-7087-b52f-2f54371b41e0" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_019e2c76-cb62-785e-b8dc-91318f1ebbae" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb62-7aa5-9e27-fa58b392863c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_019e2c76-cb62-785e-b8dc-91318f1ebbae" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb62-7aa5-9e27-fa58b392863c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb62-7aa5-9e27-fa58b392863c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb62-7aa5-9e27-fa58b392863c" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb62-7aa5-9e27-fa58b392863c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb62-750d-b969-1e37198fc22f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019e2c76-cb62-7aa5-9e27-fa58b392863c" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb62-750d-b969-1e37198fc22f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_019e2c76-cb62-7a39-b7f1-86047f9dcef3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb62-750d-b969-1e37198fc22f" xlink:to="loc_us-gaap_ForeignExchangeContractMember_019e2c76-cb62-7a39-b7f1-86047f9dcef3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryLockMember_019e2c76-cb62-7cee-9b6c-d25a73c8ea85" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryLockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019e2c76-cb62-750d-b969-1e37198fc22f" xlink:to="loc_us-gaap_TreasuryLockMember_019e2c76-cb62-7cee-9b6c-d25a73c8ea85" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_019e2c76-cb62-7b6e-829d-eac1d7752ec9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_019e2c76-cb62-785e-b8dc-91318f1ebbae" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_019e2c76-cb62-7b6e-829d-eac1d7752ec9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_019e2c76-cb62-7b6e-829d-eac1d7752ec9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_019e2c76-cb62-7b6e-829d-eac1d7752ec9" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_019e2c76-cb62-7b6e-829d-eac1d7752ec9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_019e2c76-cb62-7a92-8f80-a7e8f45ffdae" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_019e2c76-cb62-7b6e-829d-eac1d7752ec9" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_019e2c76-cb62-7a92-8f80-a7e8f45ffdae" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_019e2c76-cb62-7a6f-aee5-253e6205f239" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_019e2c76-cb62-7a92-8f80-a7e8f45ffdae" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_019e2c76-cb62-7a6f-aee5-253e6205f239" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019e2c76-cb62-7f74-97a3-3a558df81d8d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_019e2c76-cb62-785e-b8dc-91318f1ebbae" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019e2c76-cb62-7f74-97a3-3a558df81d8d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e2c76-cb62-7f74-97a3-3a558df81d8d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019e2c76-cb62-7f74-97a3-3a558df81d8d" xlink:to="loc_us-gaap_EquityComponentDomain_019e2c76-cb62-7f74-97a3-3a558df81d8d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019e2c76-cb62-71a4-bac6-02c1269255bd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019e2c76-cb62-7f74-97a3-3a558df81d8d" xlink:to="loc_us-gaap_EquityComponentDomain_019e2c76-cb62-71a4-bac6-02c1269255bd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_019e2c76-cb62-7a98-8d22-1e4d8b6b9bfe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e2c76-cb62-71a4-bac6-02c1269255bd" xlink:to="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_019e2c76-cb62-7a98-8d22-1e4d8b6b9bfe" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember_019e2c76-cb62-71d9-ac96-efc398cb74ce" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e2c76-cb62-71a4-bac6-02c1269255bd" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember_019e2c76-cb62-71d9-ac96-efc398cb74ce" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember_019e2c76-cb62-76f9-aa16-41c208abe62d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e2c76-cb62-71a4-bac6-02c1269255bd" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember_019e2c76-cb62-76f9-aa16-41c208abe62d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_019e2c76-cb62-70ea-b4cf-8c8186a6849a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019e2c76-cb62-71a4-bac6-02c1269255bd" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_019e2c76-cb62-70ea-b4cf-8c8186a6849a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_019e2c76-cb62-784c-a9b4-47edb1d1b88f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems_019e2c76-cb62-7087-b52f-2f54371b41e0" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_019e2c76-cb62-784c-a9b4-47edb1d1b88f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_019e2c76-cb62-7b2f-825a-ce19e885dcac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestIncomeExpenseNonoperatingNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems_019e2c76-cb62-7087-b52f-2f54371b41e0" xlink:to="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_019e2c76-cb62-7b2f-825a-ce19e885dcac" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_019e2c76-cb62-7a8b-8767-d587af8ff442" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems_019e2c76-cb62-7087-b52f-2f54371b41e0" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_019e2c76-cb62-7a8b-8767-d587af8ff442" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_019e2c76-cb62-7901-a465-5eb78211e918" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems_019e2c76-cb62-7087-b52f-2f54371b41e0" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_019e2c76-cb62-7901-a465-5eb78211e918" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019e2c76-cb62-7371-a4be-1d5ab804825f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems_019e2c76-cb62-7087-b52f-2f54371b41e0" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019e2c76-cb62-7371-a4be-1d5ab804825f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019e2c76-cb62-7741-842e-46eadf26dea1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems_019e2c76-cb62-7087-b52f-2f54371b41e0" xlink:to="loc_us-gaap_NetIncomeLoss_019e2c76-cb62-7741-842e-46eadf26dea1" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/StockholdersEquityNarrativeDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#StockholdersEquityNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/StockholdersEquityNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019e2c76-cb62-7953-8bb5-91ed8d13841b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019e2c76-cb62-7350-991a-c95dedb09094" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019e2c76-cb62-7953-8bb5-91ed8d13841b" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019e2c76-cb62-7350-991a-c95dedb09094" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ShareRepurchaseProgramAxis_019e2c76-cb62-7df4-a7e0-0a3c71a3a2f5" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ShareRepurchaseProgramAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019e2c76-cb62-7350-991a-c95dedb09094" xlink:to="loc_srt_ShareRepurchaseProgramAxis_019e2c76-cb62-7df4-a7e0-0a3c71a3a2f5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ShareRepurchaseProgramDomain_019e2c76-cb62-7df4-a7e0-0a3c71a3a2f5_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ShareRepurchaseProgramDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ShareRepurchaseProgramAxis_019e2c76-cb62-7df4-a7e0-0a3c71a3a2f5" xlink:to="loc_srt_ShareRepurchaseProgramDomain_019e2c76-cb62-7df4-a7e0-0a3c71a3a2f5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ShareRepurchaseProgramDomain_019e2c76-cb62-7edf-a423-6eb78f55e63e" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ShareRepurchaseProgramDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ShareRepurchaseProgramAxis_019e2c76-cb62-7df4-a7e0-0a3c71a3a2f5" xlink:to="loc_srt_ShareRepurchaseProgramDomain_019e2c76-cb62-7edf-a423-6eb78f55e63e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_ShareRepurchaseProgramMember_019e2c76-cb62-75ac-bab3-a091a7d455ec" xlink:href="agco-20260630.xsd#agco_ShareRepurchaseProgramMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ShareRepurchaseProgramDomain_019e2c76-cb62-7edf-a423-6eb78f55e63e" xlink:to="loc_agco_ShareRepurchaseProgramMember_019e2c76-cb62-75ac-bab3-a091a7d455ec" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_NewShareRepurchaseProgramMember_019e2c76-cb62-70b3-acf7-741951c69679" xlink:href="agco-20260630.xsd#agco_NewShareRepurchaseProgramMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_agco_ShareRepurchaseProgramMember_019e2c76-cb62-75ac-bab3-a091a7d455ec" xlink:to="loc_agco_NewShareRepurchaseProgramMember_019e2c76-cb62-70b3-acf7-741951c69679" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_AcceleratedShareRepurchaseMember_019e2c76-cb62-75f5-9d53-49a4dc00708f" xlink:href="agco-20260630.xsd#agco_AcceleratedShareRepurchaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_agco_ShareRepurchaseProgramMember_019e2c76-cb62-75ac-bab3-a091a7d455ec" xlink:to="loc_agco_AcceleratedShareRepurchaseMember_019e2c76-cb62-75f5-9d53-49a4dc00708f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StockRepurchaseProgramAuthorizedAmount1_019e2c76-cb62-7ad8-a566-61b48afdd9bf" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StockRepurchaseProgramAuthorizedAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019e2c76-cb62-7953-8bb5-91ed8d13841b" xlink:to="loc_srt_StockRepurchaseProgramAuthorizedAmount1_019e2c76-cb62-7ad8-a566-61b48afdd9bf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_019e2c76-cb62-7b6c-b451-e4b2d2a61b69" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019e2c76-cb62-7953-8bb5-91ed8d13841b" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_019e2c76-cb62-7b6c-b451-e4b2d2a61b69" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_StockRepurchaseProgramNumberOfAgreementsEnteredInto_019e2c76-cb62-7ca2-9f62-9c1f8798d3c9" xlink:href="agco-20260630.xsd#agco_StockRepurchaseProgramNumberOfAgreementsEnteredInto"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019e2c76-cb62-7953-8bb5-91ed8d13841b" xlink:to="loc_agco_StockRepurchaseProgramNumberOfAgreementsEnteredInto_019e2c76-cb62-7ca2-9f62-9c1f8798d3c9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_019f2081-68b7-7121-beb7-5373eb478a5b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019e2c76-cb62-7953-8bb5-91ed8d13841b" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_019f2081-68b7-7121-beb7-5373eb478a5b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_019e2c76-cb62-7f30-bcbf-894785112cf0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019e2c76-cb62-7953-8bb5-91ed8d13841b" xlink:to="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_019e2c76-cb62-7f30-bcbf-894785112cf0" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_019e2c76-cb62-7832-a2b7-0adb33976b86" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockDividendsPerShareDeclared"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019e2c76-cb62-7953-8bb5-91ed8d13841b" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_019e2c76-cb62-7832-a2b7-0adb33976b86" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareCashPaid_019e2c76-cb62-7fe4-aeaa-8cbcc2282bd0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockDividendsPerShareCashPaid"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019e2c76-cb62-7953-8bb5-91ed8d13841b" xlink:to="loc_us-gaap_CommonStockDividendsPerShareCashPaid_019e2c76-cb62-7fe4-aeaa-8cbcc2282bd0" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/PensionandPostretirementBenefitPlansNetPensionAndPostretirementCostDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#PensionandPostretirementBenefitPlansNetPensionAndPostretirementCostDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/PensionandPostretirementBenefitPlansNetPensionAndPostretirementCostDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_019e2c76-cb62-7d50-aa7a-853894872cd5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_019e2c76-cb62-7e5a-870e-39910208a930" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_019e2c76-cb62-7d50-aa7a-853894872cd5" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_019e2c76-cb62-7e5a-870e-39910208a930" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeAxis_019e2c76-cb62-7b1e-b1f0-820845e0e49a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetirementPlanTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_019e2c76-cb62-7e5a-870e-39910208a930" xlink:to="loc_us-gaap_RetirementPlanTypeAxis_019e2c76-cb62-7b1e-b1f0-820845e0e49a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_019e2c76-cb62-7b1e-b1f0-820845e0e49a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetirementPlanTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_019e2c76-cb62-7b1e-b1f0-820845e0e49a" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_019e2c76-cb62-7b1e-b1f0-820845e0e49a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_019e2c76-cb62-734f-92ac-d1bf34613d39" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetirementPlanTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_019e2c76-cb62-7b1e-b1f0-820845e0e49a" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_019e2c76-cb62-734f-92ac-d1bf34613d39" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionPlansDefinedBenefitMember_019e2c76-cb62-782c-8527-86478863d653" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PensionPlansDefinedBenefitMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_019e2c76-cb62-734f-92ac-d1bf34613d39" xlink:to="loc_us-gaap_PensionPlansDefinedBenefitMember_019e2c76-cb62-782c-8527-86478863d653" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_019e2c76-cb62-7445-bf51-80f3133c9dcd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_019e2c76-cb62-734f-92ac-d1bf34613d39" xlink:to="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_019e2c76-cb62-7445-bf51-80f3133c9dcd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_019e2c76-cb62-70ea-8c06-9457d3cf0b87" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanServiceCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_019e2c76-cb62-7d50-aa7a-853894872cd5" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_019e2c76-cb62-70ea-8c06-9457d3cf0b87" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_019e2c76-cb62-7035-9b8b-a7e1262b863d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanInterestCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_019e2c76-cb62-7d50-aa7a-853894872cd5" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_019e2c76-cb62-7035-9b8b-a7e1262b863d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_019e2c76-cb62-7722-9a2a-b7a6a32e8a1c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_019e2c76-cb62-7d50-aa7a-853894872cd5" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_019e2c76-cb62-7722-9a2a-b7a6a32e8a1c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_019e2c76-cb62-7f19-bcb5-93209989e3e7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_019e2c76-cb62-7d50-aa7a-853894872cd5" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_019e2c76-cb62-7f19-bcb5-93209989e3e7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_019e2c76-cb62-7dd1-b3a4-7eddac457535" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_019e2c76-cb62-7d50-aa7a-853894872cd5" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_019e2c76-cb62-7dd1-b3a4-7eddac457535" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_019e2c76-cb62-7acf-bb2f-7ea640376ee4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_019e2c76-cb62-7d50-aa7a-853894872cd5" xlink:to="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_019e2c76-cb62-7acf-bb2f-7ea640376ee4" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/PensionandPostretirementBenefitPlansNarrativeDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#PensionandPostretirementBenefitPlansNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/PensionandPostretirementBenefitPlansNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_019e2c76-cb62-714c-87db-ba6901de96b6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_019e2c76-cb62-7edf-aad6-9520bd9bf077" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_019e2c76-cb62-714c-87db-ba6901de96b6" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_019e2c76-cb62-7edf-aad6-9520bd9bf077" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeAxis_019e2c76-cb62-7ca9-91bf-665f1ce96ce9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetirementPlanTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_019e2c76-cb62-7edf-aad6-9520bd9bf077" xlink:to="loc_us-gaap_RetirementPlanTypeAxis_019e2c76-cb62-7ca9-91bf-665f1ce96ce9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_019e2c76-cb62-7ca9-91bf-665f1ce96ce9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetirementPlanTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_019e2c76-cb62-7ca9-91bf-665f1ce96ce9" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_019e2c76-cb62-7ca9-91bf-665f1ce96ce9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_019e2c76-cb62-7a28-95c4-0bd32e65bc4c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetirementPlanTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_019e2c76-cb62-7ca9-91bf-665f1ce96ce9" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_019e2c76-cb62-7a28-95c4-0bd32e65bc4c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionPlansDefinedBenefitMember_019e2c76-cb62-7009-a7be-1664c77373f8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PensionPlansDefinedBenefitMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_019e2c76-cb62-7a28-95c4-0bd32e65bc4c" xlink:to="loc_us-gaap_PensionPlansDefinedBenefitMember_019e2c76-cb62-7009-a7be-1664c77373f8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_019e2c76-cb62-79c7-bf85-385c6d2348a9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_019e2c76-cb62-7a28-95c4-0bd32e65bc4c" xlink:to="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_019e2c76-cb62-79c7-bf85-385c6d2348a9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_019e2c76-cb62-7834-8f88-8bae66d353e8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanContributionsByEmployer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_019e2c76-cb62-714c-87db-ba6901de96b6" xlink:to="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_019e2c76-cb62-7834-8f88-8bae66d353e8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsCurrentFiscalYear_019e2c76-cb62-7204-8a30-6a9c76f291ea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsCurrentFiscalYear"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_019e2c76-cb62-714c-87db-ba6901de96b6" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsCurrentFiscalYear_019e2c76-cb62-7204-8a30-6a9c76f291ea" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/FairValueofFinancialInstrumentsAssetsandLiabilitiesMeasuredatFairValueDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#FairValueofFinancialInstrumentsAssetsandLiabilitiesMeasuredatFairValueDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/FairValueofFinancialInstrumentsAssetsandLiabilitiesMeasuredatFairValueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019e2c76-cb62-7c43-bc1a-749bf231ff96" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019e2c76-cb62-76a4-9c07-e6b5a8e6b1ab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019e2c76-cb62-7c43-bc1a-749bf231ff96" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019e2c76-cb62-76a4-9c07-e6b5a8e6b1ab" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e2c76-cb62-702d-b274-cb93fb2fa25f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019e2c76-cb62-76a4-9c07-e6b5a8e6b1ab" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e2c76-cb62-702d-b274-cb93fb2fa25f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e2c76-cb62-702d-b274-cb93fb2fa25f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e2c76-cb62-702d-b274-cb93fb2fa25f" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e2c76-cb62-702d-b274-cb93fb2fa25f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e2c76-cb62-7407-aac0-1c496a3c8286" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e2c76-cb62-702d-b274-cb93fb2fa25f" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e2c76-cb62-7407-aac0-1c496a3c8286" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_019e2c76-cb62-7b55-bb87-44533367df66" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e2c76-cb62-7407-aac0-1c496a3c8286" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_019e2c76-cb62-7b55-bb87-44533367df66" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_019e2c76-cb62-7dfa-89ea-46d5561aed98" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e2c76-cb62-7407-aac0-1c496a3c8286" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_019e2c76-cb62-7dfa-89ea-46d5561aed98" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_019e2c76-cb62-76bc-bfdf-7a849fbfc78c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e2c76-cb62-7407-aac0-1c496a3c8286" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_019e2c76-cb62-76bc-bfdf-7a849fbfc78c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_019e2c76-cb62-7bda-98b2-21ff3e362904" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019e2c76-cb62-7c43-bc1a-749bf231ff96" xlink:to="loc_us-gaap_DerivativeAssets_019e2c76-cb62-7bda-98b2-21ff3e362904" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_019e2c76-cb62-78ec-908a-3246125f791e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019e2c76-cb62-7c43-bc1a-749bf231ff96" xlink:to="loc_us-gaap_DerivativeLiabilities_019e2c76-cb62-78ec-908a-3246125f791e" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/FairValueofFinancialInstrumentsNarrativeDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#FairValueofFinancialInstrumentsNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/FairValueofFinancialInstrumentsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019e2c76-cb62-70a7-8d02-b2c343f5d52f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019e2c76-cb62-7eab-8c22-1d556f7dd431" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019e2c76-cb62-70a7-8d02-b2c343f5d52f" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019e2c76-cb62-7eab-8c22-1d556f7dd431" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019e2c76-cb62-7ea8-9bc3-b3856f57b154" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019e2c76-cb62-7eab-8c22-1d556f7dd431" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019e2c76-cb62-7ea8-9bc3-b3856f57b154" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019e2c76-cb62-7ea8-9bc3-b3856f57b154_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019e2c76-cb62-7ea8-9bc3-b3856f57b154" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019e2c76-cb62-7ea8-9bc3-b3856f57b154_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019e2c76-cb62-7b63-b41d-bc60dba5329f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019e2c76-cb62-7ea8-9bc3-b3856f57b154" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019e2c76-cb62-7b63-b41d-bc60dba5329f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_019e2c76-cb62-7e34-a6eb-4c3f90962d1c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019e2c76-cb62-7b63-b41d-bc60dba5329f" xlink:to="loc_us-gaap_SeniorNotesMember_019e2c76-cb62-7e34-a6eb-4c3f90962d1c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019e2c76-cb62-77d8-a7e3-4d6b0292c83f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019e2c76-cb62-7eab-8c22-1d556f7dd431" xlink:to="loc_us-gaap_DebtInstrumentAxis_019e2c76-cb62-77d8-a7e3-4d6b0292c83f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019e2c76-cb62-77d8-a7e3-4d6b0292c83f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019e2c76-cb62-77d8-a7e3-4d6b0292c83f" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019e2c76-cb62-77d8-a7e3-4d6b0292c83f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019e2c76-cb62-7658-a147-1c314982dc4c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019e2c76-cb62-77d8-a7e3-4d6b0292c83f" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019e2c76-cb62-7658-a147-1c314982dc4c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_A0800SeniorNotesDue2028Member_019e2c76-cb62-756b-86cd-388bb3429735" xlink:href="agco-20260630.xsd#agco_A0800SeniorNotesDue2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e2c76-cb62-7658-a147-1c314982dc4c" xlink:to="loc_agco_A0800SeniorNotesDue2028Member_019e2c76-cb62-756b-86cd-388bb3429735" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_A5.450SeniorNotesDue2027Member_019e2c76-cb62-77b3-9db0-a1e7839be20f" xlink:href="agco-20260630.xsd#agco_A5.450SeniorNotesDue2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e2c76-cb62-7658-a147-1c314982dc4c" xlink:to="loc_agco_A5.450SeniorNotesDue2027Member_019e2c76-cb62-77b3-9db0-a1e7839be20f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_SeniorNotesDue2034Member_019e2c76-cb62-7f27-b075-22d6e547bd2d" xlink:href="agco-20260630.xsd#agco_SeniorNotesDue2034Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019e2c76-cb62-7658-a147-1c314982dc4c" xlink:to="loc_agco_SeniorNotesDue2034Member_019e2c76-cb62-7f27-b075-22d6e547bd2d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019e2c76-cb62-77a5-bcc7-d6133e154732" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019e2c76-cb62-70a7-8d02-b2c343f5d52f" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019e2c76-cb62-77a5-bcc7-d6133e154732" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFairValue_019e2c76-cb62-733f-a123-f29669c5f43a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019e2c76-cb62-70a7-8d02-b2c343f5d52f" xlink:to="loc_us-gaap_DebtInstrumentFairValue_019e2c76-cb62-733f-a123-f29669c5f43a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_019e2c76-cb62-71c6-bd5b-e4c6a9bdee9b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019e2c76-cb62-70a7-8d02-b2c343f5d52f" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_019e2c76-cb62-71c6-bd5b-e4c6a9bdee9b" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/CommitmentsandContingenciesNarrativeDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#CommitmentsandContingenciesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/CommitmentsandContingenciesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsLineItems_019e2c76-cb62-7897-b497-f023a3164a05" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GuaranteeObligationsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_019e2c76-cb62-7c42-9188-060ba2b727da" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfGuaranteeObligationsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_019e2c76-cb62-7897-b497-f023a3164a05" xlink:to="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_019e2c76-cb62-7c42-9188-060ba2b727da" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_019e2c76-cb62-7541-a807-f647a2339eed" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_019e2c76-cb62-7c42-9188-060ba2b727da" xlink:to="loc_srt_CounterpartyNameAxis_019e2c76-cb62-7541-a807-f647a2339eed" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019e2c76-cb62-7541-a807-f647a2339eed_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_019e2c76-cb62-7541-a807-f647a2339eed" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019e2c76-cb62-7541-a807-f647a2339eed_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019e2c76-cb62-76ab-b003-360e3c01c01e" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_019e2c76-cb62-7541-a807-f647a2339eed" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019e2c76-cb62-76ab-b003-360e3c01c01e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_AGCOCapitalArgentinaSAMember_019e2c76-cb62-74c1-8732-7ded2970fe43" xlink:href="agco-20260630.xsd#agco_AGCOCapitalArgentinaSAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019e2c76-cb62-76ab-b003-360e3c01c01e" xlink:to="loc_agco_AGCOCapitalArgentinaSAMember_019e2c76-cb62-74c1-8732-7ded2970fe43" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_USAndCanadaFinanceJointVenturesMember_019e2c76-cb62-7cff-b39a-fd08bfbffa75" xlink:href="agco-20260630.xsd#agco_USAndCanadaFinanceJointVenturesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019e2c76-cb62-76ab-b003-360e3c01c01e" xlink:to="loc_agco_USAndCanadaFinanceJointVenturesMember_019e2c76-cb62-7cff-b39a-fd08bfbffa75" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_019e2c76-cb62-7376-b102-e31fa3f75a2a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_019e2c76-cb62-7897-b497-f023a3164a05" xlink:to="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_019e2c76-cb62-7376-b102-e31fa3f75a2a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsMaximumExposure_019e2c76-cb62-73ec-aecd-f37f67bc5f67" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GuaranteeObligationsMaximumExposure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_019e2c76-cb62-7897-b497-f023a3164a05" xlink:to="loc_us-gaap_GuaranteeObligationsMaximumExposure_019e2c76-cb62-73ec-aecd-f37f67bc5f67" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/RevenueRemainingPerformanceObligationsDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#RevenueRemainingPerformanceObligationsDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/RevenueRemainingPerformanceObligationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_019e2c76-cb62-79f5-83a3-32f98d9f8cbc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_019e2c76-cb62-77e0-9eb8-0a71ea36baef" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_019e2c76-cb62-79f5-83a3-32f98d9f8cbc" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_019e2c76-cb62-77e0-9eb8-0a71ea36baef" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_019e2c76-cb62-7aad-8651-6fa4b7ae3453" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_019e2c76-cb62-77e0-9eb8-0a71ea36baef" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_019e2c76-cb62-7aad-8651-6fa4b7ae3453" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_019e2c76-cb62-77c2-9930-c4ce99b7430c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_019e2c76-cb62-79f5-83a3-32f98d9f8cbc" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_019e2c76-cb62-77c2-9930-c4ce99b7430c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_019e2c76-cb62-73e0-af8d-1f7d3a345a23" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_019e2c76-cb62-79f5-83a3-32f98d9f8cbc" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_019e2c76-cb62-73e0-af8d-1f7d3a345a23" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/RevenueRemainingPerformanceObligationsDetails_1" xlink:type="simple" xlink:href="agco-20260630.xsd#RevenueRemainingPerformanceObligationsDetails_1"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/RevenueRemainingPerformanceObligationsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_019e2c76-cb62-79f5-83a3-32f98d9f8cbc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_019e2c76-cb62-77e0-9eb8-0a71ea36baef" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_019e2c76-cb62-79f5-83a3-32f98d9f8cbc" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_019e2c76-cb62-77e0-9eb8-0a71ea36baef" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_019e2c76-cb62-77c2-9930-c4ce99b7430c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_019e2c76-cb62-79f5-83a3-32f98d9f8cbc" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_019e2c76-cb62-77c2-9930-c4ce99b7430c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_019e2c76-cb62-73e0-af8d-1f7d3a345a23" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_019e2c76-cb62-79f5-83a3-32f98d9f8cbc" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_019e2c76-cb62-73e0-af8d-1f7d3a345a23" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/RevenueDisaggregatedRevenueDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#RevenueDisaggregatedRevenueDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/RevenueDisaggregatedRevenueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_019e2c76-cb62-740a-8f38-782e911eae56" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_019e2c76-cb62-7f49-b846-2505fec3f64b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019e2c76-cb62-740a-8f38-782e911eae56" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_019e2c76-cb62-7f49-b846-2505fec3f64b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019e2c76-cb62-770f-883c-c535aa296bfb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019e2c76-cb62-7f49-b846-2505fec3f64b" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019e2c76-cb62-770f-883c-c535aa296bfb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e2c76-cb62-770f-883c-c535aa296bfb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019e2c76-cb62-770f-883c-c535aa296bfb" xlink:to="loc_us-gaap_SegmentDomain_019e2c76-cb62-770f-883c-c535aa296bfb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e2c76-cb62-7758-b317-5bd1037f0676" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019e2c76-cb62-770f-883c-c535aa296bfb" xlink:to="loc_us-gaap_SegmentDomain_019e2c76-cb62-7758-b317-5bd1037f0676" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_NorthAmericaSegmentMember_019e2c76-cb62-75e5-a2fe-5fdc57ed866f" xlink:href="agco-20260630.xsd#agco_NorthAmericaSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e2c76-cb62-7758-b317-5bd1037f0676" xlink:to="loc_agco_NorthAmericaSegmentMember_019e2c76-cb62-75e5-a2fe-5fdc57ed866f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_LatinAmericaSegmentMember_019e5fe0-b7d9-7c6f-92a2-25ed38559310" xlink:href="agco-20260630.xsd#agco_LatinAmericaSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e2c76-cb62-7758-b317-5bd1037f0676" xlink:to="loc_agco_LatinAmericaSegmentMember_019e5fe0-b7d9-7c6f-92a2-25ed38559310" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_EMESegmentMember_019e2c76-cb62-7fc4-b33c-2975e68a2df7" xlink:href="agco-20260630.xsd#agco_EMESegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e2c76-cb62-7758-b317-5bd1037f0676" xlink:to="loc_agco_EMESegmentMember_019e2c76-cb62-7fc4-b33c-2975e68a2df7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_APASegmentMember_019e2c76-cb62-7fc9-96a4-832a39317f2d" xlink:href="agco-20260630.xsd#agco_APASegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e2c76-cb62-7758-b317-5bd1037f0676" xlink:to="loc_agco_APASegmentMember_019e2c76-cb62-7fc9-96a4-832a39317f2d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_019e2c76-cb62-7763-986d-e2bb660f7209" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019e2c76-cb62-7f49-b846-2505fec3f64b" xlink:to="loc_srt_StatementGeographicalAxis_019e2c76-cb62-7763-986d-e2bb660f7209" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019e2c76-cb62-7763-986d-e2bb660f7209_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_019e2c76-cb62-7763-986d-e2bb660f7209" xlink:to="loc_srt_SegmentGeographicalDomain_019e2c76-cb62-7763-986d-e2bb660f7209_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019e2c76-cb62-7db9-a3b6-4cdda9b14064" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_019e2c76-cb62-7763-986d-e2bb660f7209" xlink:to="loc_srt_SegmentGeographicalDomain_019e2c76-cb62-7db9-a3b6-4cdda9b14064" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_US_019e2c76-cb62-7063-8ddb-c42f34c2b832" xlink:href="https://xbrl.sec.gov/country/2026/country-2026.xsd#country_US"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e2c76-cb62-7db9-a3b6-4cdda9b14064" xlink:to="loc_country_US_019e2c76-cb62-7063-8ddb-c42f34c2b832" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_CA_019e2c76-cb62-7a74-a892-f149b2d5137f" xlink:href="https://xbrl.sec.gov/country/2026/country-2026.xsd#country_CA"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e2c76-cb62-7db9-a3b6-4cdda9b14064" xlink:to="loc_country_CA_019e2c76-cb62-7a74-a892-f149b2d5137f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_BR_019e2c76-cb62-77e7-a634-d616155da4db" xlink:href="https://xbrl.sec.gov/country/2026/country-2026.xsd#country_BR"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e2c76-cb62-7db9-a3b6-4cdda9b14064" xlink:to="loc_country_BR_019e2c76-cb62-77e7-a634-d616155da4db" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_OtherSouthAmericaMember_019e2c76-cb62-7743-a1ad-3dd8f89d1e7f" xlink:href="agco-20260630.xsd#agco_OtherSouthAmericaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e2c76-cb62-7db9-a3b6-4cdda9b14064" xlink:to="loc_agco_OtherSouthAmericaMember_019e2c76-cb62-7743-a1ad-3dd8f89d1e7f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_DE_019e2c76-cb62-7459-85a3-a5e8ff0aa0b2" xlink:href="https://xbrl.sec.gov/country/2026/country-2026.xsd#country_DE"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e2c76-cb62-7db9-a3b6-4cdda9b14064" xlink:to="loc_country_DE_019e2c76-cb62-7459-85a3-a5e8ff0aa0b2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_FR_019e2c76-cb62-770b-8108-690297a37cb2" xlink:href="https://xbrl.sec.gov/country/2026/country-2026.xsd#country_FR"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e2c76-cb62-7db9-a3b6-4cdda9b14064" xlink:to="loc_country_FR_019e2c76-cb62-770b-8108-690297a37cb2" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_UnitedKingdomAndIrelandMember_019e2c76-cb62-74c3-b626-7d1a1b535d08" xlink:href="agco-20260630.xsd#agco_UnitedKingdomAndIrelandMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e2c76-cb62-7db9-a3b6-4cdda9b14064" xlink:to="loc_agco_UnitedKingdomAndIrelandMember_019e2c76-cb62-74c3-b626-7d1a1b535d08" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_FinlandAndScandinaviaMember_019e2c76-cb62-7b45-9e44-e46cabdd9b37" xlink:href="agco-20260630.xsd#agco_FinlandAndScandinaviaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e2c76-cb62-7db9-a3b6-4cdda9b14064" xlink:to="loc_agco_FinlandAndScandinaviaMember_019e2c76-cb62-7b45-9e44-e46cabdd9b37" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_IT_019e2c76-cb62-730c-98ac-1162faf92ec2" xlink:href="https://xbrl.sec.gov/country/2026/country-2026.xsd#country_IT"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e2c76-cb62-7db9-a3b6-4cdda9b14064" xlink:to="loc_country_IT_019e2c76-cb62-730c-98ac-1162faf92ec2" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_OtherEuropeMember_019e2c76-cb62-76fe-834b-3bee380961de" xlink:href="agco-20260630.xsd#agco_OtherEuropeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e2c76-cb62-7db9-a3b6-4cdda9b14064" xlink:to="loc_agco_OtherEuropeMember_019e2c76-cb62-76fe-834b-3bee380961de" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_MiddleEastandAlgeriaMember_019e2c76-cb62-75d8-9df5-27fd40eefa9d" xlink:href="agco-20260630.xsd#agco_MiddleEastandAlgeriaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e2c76-cb62-7db9-a3b6-4cdda9b14064" xlink:to="loc_agco_MiddleEastandAlgeriaMember_019e2c76-cb62-75d8-9df5-27fd40eefa9d" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AfricaMember_019e2c76-cb62-730f-8ee5-75c9ea4e606f" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_AfricaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e2c76-cb62-7db9-a3b6-4cdda9b14064" xlink:to="loc_srt_AfricaMember_019e2c76-cb62-730f-8ee5-75c9ea4e606f" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AsiaMember_019e2c76-cb62-7089-a9f6-3655755f04c8" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_AsiaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e2c76-cb62-7db9-a3b6-4cdda9b14064" xlink:to="loc_srt_AsiaMember_019e2c76-cb62-7089-a9f6-3655755f04c8" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_AustraliaAndNewZealandMember_019e2c76-cb62-7767-9a31-bab4391e87a1" xlink:href="agco-20260630.xsd#agco_AustraliaAndNewZealandMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e2c76-cb62-7db9-a3b6-4cdda9b14064" xlink:to="loc_agco_AustraliaAndNewZealandMember_019e2c76-cb62-7767-9a31-bab4391e87a1" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_MexicoCentralAmericaAndCaribbeanMember_019e2c76-cb62-72a1-a202-c7cfaac03f87" xlink:href="agco-20260630.xsd#agco_MexicoCentralAmericaAndCaribbeanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019e2c76-cb62-7db9-a3b6-4cdda9b14064" xlink:to="loc_agco_MexicoCentralAmericaAndCaribbeanMember_019e2c76-cb62-72a1-a202-c7cfaac03f87" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019e2c76-cb62-75b3-b22e-386339a4a388" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019e2c76-cb62-7f49-b846-2505fec3f64b" xlink:to="loc_srt_ProductOrServiceAxis_019e2c76-cb62-75b3-b22e-386339a4a388" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019e2c76-cb62-75b3-b22e-386339a4a388_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_019e2c76-cb62-75b3-b22e-386339a4a388" xlink:to="loc_srt_ProductsAndServicesDomain_019e2c76-cb62-75b3-b22e-386339a4a388_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019e2c76-cb62-7866-9e35-398a2af162dc" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_019e2c76-cb62-75b3-b22e-386339a4a388" xlink:to="loc_srt_ProductsAndServicesDomain_019e2c76-cb62-7866-9e35-398a2af162dc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_TractorsMember_019e2c76-cb62-788c-97fe-9b3d40ad767e" xlink:href="agco-20260630.xsd#agco_TractorsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019e2c76-cb62-7866-9e35-398a2af162dc" xlink:to="loc_agco_TractorsMember_019e2c76-cb62-788c-97fe-9b3d40ad767e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_ReplacementPartSalesMember_019e2c76-cb62-7154-b306-ab4cbae54c95" xlink:href="agco-20260630.xsd#agco_ReplacementPartSalesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019e2c76-cb62-7866-9e35-398a2af162dc" xlink:to="loc_agco_ReplacementPartSalesMember_019e2c76-cb62-7154-b306-ab4cbae54c95" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_GrainStorageAndProteinProductionSystemsMember_019e2c76-cb62-7355-8881-035c3a0c1f6f" xlink:href="agco-20260630.xsd#agco_GrainStorageAndProteinProductionSystemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019e2c76-cb62-7866-9e35-398a2af162dc" xlink:to="loc_agco_GrainStorageAndProteinProductionSystemsMember_019e2c76-cb62-7355-8881-035c3a0c1f6f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_ApplicationEquipmentAndOtherMachineryProductLineMember_019e2c76-cb62-7f60-bd1e-3d107e994bca" xlink:href="agco-20260630.xsd#agco_ApplicationEquipmentAndOtherMachineryProductLineMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019e2c76-cb62-7866-9e35-398a2af162dc" xlink:to="loc_agco_ApplicationEquipmentAndOtherMachineryProductLineMember_019e2c76-cb62-7f60-bd1e-3d107e994bca" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019e2c76-cb62-7d6f-a821-a0e198802a79" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019e2c76-cb62-740a-8f38-782e911eae56" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019e2c76-cb62-7d6f-a821-a0e198802a79" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/SegmentReportingSegmentResultsByReportableSegmentsDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#SegmentReportingSegmentResultsByReportableSegmentsDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/SegmentReportingSegmentResultsByReportableSegmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_019e2c76-cb62-75ae-9660-34f3868bab17" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e2c76-cb62-7143-8fc6-0a55d72f176e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e2c76-cb62-75ae-9660-34f3868bab17" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e2c76-cb62-7143-8fc6-0a55d72f176e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_019e2c76-cb62-796e-9d40-c9ccf14721d1" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e2c76-cb62-7143-8fc6-0a55d72f176e" xlink:to="loc_srt_ConsolidationItemsAxis_019e2c76-cb62-796e-9d40-c9ccf14721d1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019e2c76-cb62-796e-9d40-c9ccf14721d1_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_019e2c76-cb62-796e-9d40-c9ccf14721d1" xlink:to="loc_srt_ConsolidationItemsDomain_019e2c76-cb62-796e-9d40-c9ccf14721d1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019e2c76-cb62-7335-99a4-e92d5b1db29a" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_019e2c76-cb62-796e-9d40-c9ccf14721d1" xlink:to="loc_srt_ConsolidationItemsDomain_019e2c76-cb62-7335-99a4-e92d5b1db29a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_019e2c76-cb62-7870-89a6-2f844bb258db" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_019e2c76-cb62-7335-99a4-e92d5b1db29a" xlink:to="loc_us-gaap_OperatingSegmentsMember_019e2c76-cb62-7870-89a6-2f844bb258db" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019e2c76-cb62-7e36-ac60-5317f638a16d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e2c76-cb62-7143-8fc6-0a55d72f176e" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019e2c76-cb62-7e36-ac60-5317f638a16d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e2c76-cb62-7e36-ac60-5317f638a16d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019e2c76-cb62-7e36-ac60-5317f638a16d" xlink:to="loc_us-gaap_SegmentDomain_019e2c76-cb62-7e36-ac60-5317f638a16d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019e2c76-cb62-705f-a6e5-3e2bd7f9e1ea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019e2c76-cb62-7e36-ac60-5317f638a16d" xlink:to="loc_us-gaap_SegmentDomain_019e2c76-cb62-705f-a6e5-3e2bd7f9e1ea" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_NorthAmericaSegmentMember_019e2c76-cb62-70ee-ad3d-a0143d0e336e" xlink:href="agco-20260630.xsd#agco_NorthAmericaSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e2c76-cb62-705f-a6e5-3e2bd7f9e1ea" xlink:to="loc_agco_NorthAmericaSegmentMember_019e2c76-cb62-70ee-ad3d-a0143d0e336e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_LatinAmericaSegmentMember_019e2c76-cb62-7e02-8870-b12d00baedfa" xlink:href="agco-20260630.xsd#agco_LatinAmericaSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e2c76-cb62-705f-a6e5-3e2bd7f9e1ea" xlink:to="loc_agco_LatinAmericaSegmentMember_019e2c76-cb62-7e02-8870-b12d00baedfa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_EMESegmentMember_019e2c76-cb62-787a-8971-bde47f63c314" xlink:href="agco-20260630.xsd#agco_EMESegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e2c76-cb62-705f-a6e5-3e2bd7f9e1ea" xlink:to="loc_agco_EMESegmentMember_019e2c76-cb62-787a-8971-bde47f63c314" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_APASegmentMember_019e2c76-cb62-718a-b99a-7c673e6216c1" xlink:href="agco-20260630.xsd#agco_APASegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e2c76-cb62-705f-a6e5-3e2bd7f9e1ea" xlink:to="loc_agco_APASegmentMember_019e2c76-cb62-718a-b99a-7c673e6216c1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_ReportableSegmentMember_019e2c76-cb62-73e8-8a40-d1a187812c98" xlink:href="agco-20260630.xsd#agco_ReportableSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019e2c76-cb62-705f-a6e5-3e2bd7f9e1ea" xlink:to="loc_agco_ReportableSegmentMember_019e2c76-cb62-73e8-8a40-d1a187812c98" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019e2c76-cb62-722e-8350-1bf89e2288ec" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e2c76-cb62-75ae-9660-34f3868bab17" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019e2c76-cb62-722e-8350-1bf89e2288ec" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_019e2c76-cb62-7dc4-8e34-c75304fd54af" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e2c76-cb62-75ae-9660-34f3868bab17" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_019e2c76-cb62-7dc4-8e34-c75304fd54af" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_SellingGeneralAndAdministrativeExpenseAdjusted_019e2c76-cb62-7dc0-a78c-7faf04df4cb7" xlink:href="agco-20260630.xsd#agco_SellingGeneralAndAdministrativeExpenseAdjusted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e2c76-cb62-75ae-9660-34f3868bab17" xlink:to="loc_agco_SellingGeneralAndAdministrativeExpenseAdjusted_019e2c76-cb62-7dc0-a78c-7faf04df4cb7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_EngineeringExpenses_019e2c76-cb62-786b-994d-101c22a60b9f" xlink:href="agco-20260630.xsd#agco_EngineeringExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e2c76-cb62-75ae-9660-34f3868bab17" xlink:to="loc_agco_EngineeringExpenses_019e2c76-cb62-786b-994d-101c22a60b9f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_agco_OperatingIncomeLossAdjusted_019e2c76-cb62-7e65-9ac5-fb93f22ff7c4" xlink:href="agco-20260630.xsd#agco_OperatingIncomeLossAdjusted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e2c76-cb62-75ae-9660-34f3868bab17" xlink:to="loc_agco_OperatingIncomeLossAdjusted_019e2c76-cb62-7e65-9ac5-fb93f22ff7c4" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_019e2c76-cb62-7051-9c9f-3d2f04a798f9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Depreciation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e2c76-cb62-75ae-9660-34f3868bab17" xlink:to="loc_us-gaap_Depreciation_019e2c76-cb62-7051-9c9f-3d2f04a798f9" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentExpenditureAdditionToLongLivedAssets_019e2c76-cb62-794e-b89a-5efa5295116a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentExpenditureAdditionToLongLivedAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e2c76-cb62-75ae-9660-34f3868bab17" xlink:to="loc_us-gaap_SegmentExpenditureAdditionToLongLivedAssets_019e2c76-cb62-794e-b89a-5efa5295116a" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_019e2c76-cb62-726b-8035-f4878150f5af" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e2c76-cb62-75ae-9660-34f3868bab17" xlink:to="loc_us-gaap_Assets_019e2c76-cb62-726b-8035-f4878150f5af" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.agcocorp.com/role/SegmentReportingIncomeFromOperationsandTotalAssetsDetails" xlink:type="simple" xlink:href="agco-20260630.xsd#SegmentReportingIncomeFromOperationsandTotalAssetsDetails"/>
  <link:definitionLink xlink:role="http://www.agcocorp.com/role/SegmentReportingIncomeFromOperationsandTotalAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_019e2c76-cb62-741d-8f38-0038954aca3c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e2c76-cb62-798d-8144-75557222010e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e2c76-cb62-741d-8f38-0038954aca3c" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e2c76-cb62-798d-8144-75557222010e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_019e2c76-cb62-7fcb-8899-27af9c354043" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019e2c76-cb62-798d-8144-75557222010e" xlink:to="loc_srt_ConsolidationItemsAxis_019e2c76-cb62-7fcb-8899-27af9c354043" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019e2c76-cb62-7fcb-8899-27af9c354043_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_019e2c76-cb62-7fcb-8899-27af9c354043" xlink:to="loc_srt_ConsolidationItemsDomain_019e2c76-cb62-7fcb-8899-27af9c354043_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019e2c76-cb62-73f4-91d9-816f4c28d61f" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_019e2c76-cb62-7fcb-8899-27af9c354043" xlink:to="loc_srt_ConsolidationItemsDomain_019e2c76-cb62-73f4-91d9-816f4c28d61f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_019e2c76-cb62-7844-ae15-6c6fa4f0dd49" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_019e2c76-cb62-73f4-91d9-816f4c28d61f" xlink:to="loc_us-gaap_OperatingSegmentsMember_019e2c76-cb62-7844-ae15-6c6fa4f0dd49" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MaterialReconcilingItemsMember_019e2c76-cb62-73ee-bf71-41eeb28c1a96" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MaterialReconcilingItemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_019e2c76-cb62-73f4-91d9-816f4c28d61f" xlink:to="loc_us-gaap_MaterialReconcilingItemsMember_019e2c76-cb62-73ee-bf71-41eeb28c1a96" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_019e2c76-cb62-7714-9ddb-0c8f1009d78c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019e2c76-cb62-741d-8f38-0038954aca3c" xlink:to="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_019e2c76-cb62-7714-9ddb-0c8f1009d78c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019e2c76-cb62-7a28-8704-fec250079c03" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_019e2c76-cb62-7714-9ddb-0c8f1009d78c" xlink:to="loc_us-gaap_OperatingIncomeLoss_019e2c76-cb62-7a28-8704-fec250079c03" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetImpairmentCharges_019e2c76-cb62-7462-bf1a-69bb39bfc046" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetImpairmentCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_019e2c76-cb62-7714-9ddb-0c8f1009d78c" xlink:to="loc_us-gaap_OtherAssetImpairmentCharges_019e2c76-cb62-7462-bf1a-69bb39bfc046" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfBusiness_019ea534-51a5-7c36-b9c0-44dbfcddaac0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnSaleOfBusiness"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_019e2c76-cb62-7714-9ddb-0c8f1009d78c" xlink:to="loc_us-gaap_GainLossOnSaleOfBusiness_019ea534-51a5-7c36-b9c0-44dbfcddaac0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_019e2c76-cb62-7cdb-bfcf-8400dd262e98" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_019e2c76-cb62-7714-9ddb-0c8f1009d78c" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_019e2c76-cb62-7cdb-bfcf-8400dd262e98" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_019e2c76-cb62-76bf-a019-3c18e2f3f4f9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_019e2c76-cb62-7714-9ddb-0c8f1009d78c" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_019e2c76-cb62-76bf-a019-3c18e2f3f4f9" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_019e2c76-cb62-7132-92ed-7c50407858a4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_019e2c76-cb62-7714-9ddb-0c8f1009d78c" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_019e2c76-cb62-7132-92ed-7c50407858a4" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_019e2c76-cb62-755c-b1d5-998efd81a881" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_019e2c76-cb62-7714-9ddb-0c8f1009d78c" xlink:to="loc_us-gaap_RestructuringCharges_019e2c76-cb62-755c-b1d5-998efd81a881" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019e2c76-cb62-77fb-8bd8-c48fdd94388a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
  </link:definitionLink>
</link:linkbase>
