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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019fc991-32b7-7050-afcc-b7e206726f0a,g:f5542dde-376f-4ddf-a01b-593543c4da26-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:snblt="http://www.sunbeltrentals.com/20260731" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2024-01-31" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.sunbeltrentals.com/20260731">
  <xs:import namespace="http://fasb.org/srt/2026" schemaLocation="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd"/>
  <xs:import namespace="http://fasb.org/us-gaap/2026" schemaLocation="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/country/2026" schemaLocation="https://xbrl.sec.gov/country/2026/country-2026.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2026" schemaLocation="https://xbrl.sec.gov/dei/2026/dei-2026.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/ecd/2026" schemaLocation="https://xbrl.sec.gov/ecd/2026/ecd-2026.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="snblt-20260731_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="snblt-20260731_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="snblt-20260731_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="snblt-20260731_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="COVER" roleURI="http://www.sunbeltrentals.com/role/COVER">
        <link:definition>0000001 - Document - COVER</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDBALANCESHEETS" roleURI="http://www.sunbeltrentals.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS">
        <link:definition>9952151 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical" roleURI="http://www.sunbeltrentals.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical">
        <link:definition>9952152 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDSTATEMENTSOFINCOMEUNAUDITED" roleURI="http://www.sunbeltrentals.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFINCOMEUNAUDITED">
        <link:definition>9952153 - Statement - CONDENSED CONSOLIDATED STATEMENTS &#8232;OF INCOME (UNAUDITED)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEUNAUDITED" roleURI="http://www.sunbeltrentals.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEUNAUDITED">
        <link:definition>9952154 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF &#8232;COMPREHENSIVE INCOME (UNAUDITED)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEUNAUDITEDParenthetical" roleURI="http://www.sunbeltrentals.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEUNAUDITEDParenthetical">
        <link:definition>9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF &#8232;COMPREHENSIVE INCOME (UNAUDITED) (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUNAUDITED" roleURI="http://www.sunbeltrentals.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUNAUDITED">
        <link:definition>9952156 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF &#8232;STOCKHOLDERS&#8217; EQUITY (UNAUDITED)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUNAUDITEDParenthetical" roleURI="http://www.sunbeltrentals.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYUNAUDITEDParenthetical">
        <link:definition>9952157 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF &#8232;STOCKHOLDERS&#8217; EQUITY (UNAUDITED) (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWUNAUDITED" roleURI="http://www.sunbeltrentals.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWUNAUDITED">
        <link:definition>9952158 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF &#8232;CASH FLOW (UNAUDITED)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OrganizationandDescriptionofBusiness" roleURI="http://www.sunbeltrentals.com/role/OrganizationandDescriptionofBusiness">
        <link:definition>9952159 - Disclosure - Organization and Description of Business</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BasisofPresentationandSignificantAccountingPolicies" roleURI="http://www.sunbeltrentals.com/role/BasisofPresentationandSignificantAccountingPolicies">
        <link:definition>9952160 - Disclosure - Basis of Presentation and Significant Accounting Policies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueRecognition" roleURI="http://www.sunbeltrentals.com/role/RevenueRecognition">
        <link:definition>9952161 - Disclosure - Revenue Recognition</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Acquisitions" roleURI="http://www.sunbeltrentals.com/role/Acquisitions">
        <link:definition>9952162 - Disclosure - Acquisitions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformation" roleURI="http://www.sunbeltrentals.com/role/SegmentInformation">
        <link:definition>9952163 - Disclosure - Segment Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxes" roleURI="http://www.sunbeltrentals.com/role/IncomeTaxes">
        <link:definition>9952164 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Inventory" roleURI="http://www.sunbeltrentals.com/role/Inventory">
        <link:definition>9952165 - Disclosure - Inventory</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RentalEquipmentnet" roleURI="http://www.sunbeltrentals.com/role/RentalEquipmentnet">
        <link:definition>9952166 - Disclosure - Rental Equipment, net</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Debt" roleURI="http://www.sunbeltrentals.com/role/Debt">
        <link:definition>9952167 - Disclosure - Debt</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurements" roleURI="http://www.sunbeltrentals.com/role/FairValueMeasurements">
        <link:definition>9952168 - Disclosure - Fair Value Measurements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingencies" roleURI="http://www.sunbeltrentals.com/role/CommitmentsandContingencies">
        <link:definition>9952169 - Disclosure - Commitments and Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquity" roleURI="http://www.sunbeltrentals.com/role/StockholdersEquity">
        <link:definition>9952170 - Disclosure - Stockholders' Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensation" roleURI="http://www.sunbeltrentals.com/role/StockBasedCompensation">
        <link:definition>9952171 - Disclosure - Stock-Based Compensation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsperShare" roleURI="http://www.sunbeltrentals.com/role/EarningsperShare">
        <link:definition>9952172 - Disclosure - Earnings per Share</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEvents" roleURI="http://www.sunbeltrentals.com/role/SubsequentEvents">
        <link:definition>9952173 - Disclosure - Subsequent Events</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BasisofPresentationandSignificantAccountingPoliciesPolicies" roleURI="http://www.sunbeltrentals.com/role/BasisofPresentationandSignificantAccountingPoliciesPolicies">
        <link:definition>9955511 - Disclosure - Basis of Presentation and Significant Accounting Policies (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueRecognitionTables" roleURI="http://www.sunbeltrentals.com/role/RevenueRecognitionTables">
        <link:definition>9955512 - Disclosure - Revenue Recognition (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsTables" roleURI="http://www.sunbeltrentals.com/role/AcquisitionsTables">
        <link:definition>9955513 - Disclosure - Acquisitions (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationTables" roleURI="http://www.sunbeltrentals.com/role/SegmentInformationTables">
        <link:definition>9955514 - Disclosure - Segment Information (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoryTables" roleURI="http://www.sunbeltrentals.com/role/InventoryTables">
        <link:definition>9955515 - Disclosure - Inventory (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RentalEquipmentnetTables" roleURI="http://www.sunbeltrentals.com/role/RentalEquipmentnetTables">
        <link:definition>9955516 - Disclosure - Rental Equipment, net (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtTables" roleURI="http://www.sunbeltrentals.com/role/DebtTables">
        <link:definition>9955517 - Disclosure - Debt (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementsTables" roleURI="http://www.sunbeltrentals.com/role/FairValueMeasurementsTables">
        <link:definition>9955518 - Disclosure - Fair Value Measurements (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquityTables" roleURI="http://www.sunbeltrentals.com/role/StockholdersEquityTables">
        <link:definition>9955519 - Disclosure - Stockholders' Equity (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationTables" roleURI="http://www.sunbeltrentals.com/role/StockBasedCompensationTables">
        <link:definition>9955520 - Disclosure - Stock-Based Compensation (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsperShareTables" roleURI="http://www.sunbeltrentals.com/role/EarningsperShareTables">
        <link:definition>9955521 - Disclosure - Earnings per Share (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueRecognitionScheduleofDisaggregationofRevenueDetails" roleURI="http://www.sunbeltrentals.com/role/RevenueRecognitionScheduleofDisaggregationofRevenueDetails">
        <link:definition>9955522 - Disclosure - Revenue Recognition - Schedule of Disaggregation of Revenue (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueRecognitionNarrativeDetails" roleURI="http://www.sunbeltrentals.com/role/RevenueRecognitionNarrativeDetails">
        <link:definition>9955523 - Disclosure - Revenue Recognition - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueRecognitionScheduleofAllowanceforCreditLossesDetails" roleURI="http://www.sunbeltrentals.com/role/RevenueRecognitionScheduleofAllowanceforCreditLossesDetails">
        <link:definition>9955524 - Disclosure - Revenue Recognition - Schedule of Allowance for Credit Losses (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsNarrativeDetails" roleURI="http://www.sunbeltrentals.com/role/AcquisitionsNarrativeDetails">
        <link:definition>9955525 - Disclosure - Acquisitions - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsScheduleofPurchasePriceAllocationsDetails" roleURI="http://www.sunbeltrentals.com/role/AcquisitionsScheduleofPurchasePriceAllocationsDetails">
        <link:definition>9955526 - Disclosure - Acquisitions - Schedule of Purchase Price Allocations (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionsScheduleofFairValuesandUsefulLivesDetails" roleURI="http://www.sunbeltrentals.com/role/AcquisitionsScheduleofFairValuesandUsefulLivesDetails">
        <link:definition>9955527 - Disclosure - Acquisitions - Schedule of Fair Values and Useful Lives (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationNarrativeDetails" roleURI="http://www.sunbeltrentals.com/role/SegmentInformationNarrativeDetails">
        <link:definition>9955528 - Disclosure - Segment Information - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationScheduleofFinancialInformationbySegmentDetails" roleURI="http://www.sunbeltrentals.com/role/SegmentInformationScheduleofFinancialInformationbySegmentDetails">
        <link:definition>9955529 - Disclosure - Segment Information - Schedule of Financial Information by Segment (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationScheduleofCapitalExpendituresandTotalAssetsDetails" roleURI="http://www.sunbeltrentals.com/role/SegmentInformationScheduleofCapitalExpendituresandTotalAssetsDetails">
        <link:definition>9955530 - Disclosure - Segment Information - Schedule of Capital Expenditures and Total Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesDetails" roleURI="http://www.sunbeltrentals.com/role/IncomeTaxesDetails">
        <link:definition>9955531 - Disclosure - Income Taxes (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoryDetails" roleURI="http://www.sunbeltrentals.com/role/InventoryDetails">
        <link:definition>9955532 - Disclosure - Inventory (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RentalEquipmentnetScheduleofRentalEquipmentNetDetails" roleURI="http://www.sunbeltrentals.com/role/RentalEquipmentnetScheduleofRentalEquipmentNetDetails">
        <link:definition>9955533 - Disclosure - Rental Equipment, net - Schedule of Rental Equipment, Net (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RentalEquipmentnetNarrativeDetails" roleURI="http://www.sunbeltrentals.com/role/RentalEquipmentnetNarrativeDetails">
        <link:definition>9955534 - Disclosure - Rental Equipment, net - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtScheduleofDebtDetails" roleURI="http://www.sunbeltrentals.com/role/DebtScheduleofDebtDetails">
        <link:definition>9955535 - Disclosure - Debt - Schedule of Debt (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtNarrativeDetails" roleURI="http://www.sunbeltrentals.com/role/DebtNarrativeDetails">
        <link:definition>9955536 - Disclosure - Debt - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementsScheduleofEstimatedFairValuesoftheOtherFinancialInstrumentsDetails" roleURI="http://www.sunbeltrentals.com/role/FairValueMeasurementsScheduleofEstimatedFairValuesoftheOtherFinancialInstrumentsDetails">
        <link:definition>9955537 - Disclosure - Fair Value Measurements - Schedule of Estimated Fair Values of the Other Financial Instruments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementsNarrativeDetails" roleURI="http://www.sunbeltrentals.com/role/FairValueMeasurementsNarrativeDetails">
        <link:definition>9955538 - Disclosure - Fair Value Measurements - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingenciesDetails" roleURI="http://www.sunbeltrentals.com/role/CommitmentsandContingenciesDetails">
        <link:definition>9955539 - Disclosure - Commitments and Contingencies (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquityScheduleofCompanysShareActivityDetails" roleURI="http://www.sunbeltrentals.com/role/StockholdersEquityScheduleofCompanysShareActivityDetails">
        <link:definition>9955540 - Disclosure - Stockholders' Equity - Schedule of Company&#8217;s Share Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquityNarrativeDetails" roleURI="http://www.sunbeltrentals.com/role/StockholdersEquityNarrativeDetails">
        <link:definition>9955541 - Disclosure - Stockholders' Equity - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationScheduleofEquityClassifiedLongTermIncentivesAwardsDetails" roleURI="http://www.sunbeltrentals.com/role/StockBasedCompensationScheduleofEquityClassifiedLongTermIncentivesAwardsDetails">
        <link:definition>9955542 - Disclosure - Stock-Based Compensation - Schedule of Equity Classified Long-Term Incentives Awards (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockBasedCompensationNarrativeDetails" roleURI="http://www.sunbeltrentals.com/role/StockBasedCompensationNarrativeDetails">
        <link:definition>9955543 - Disclosure - Stock-Based Compensation - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsperShareDetails" roleURI="http://www.sunbeltrentals.com/role/EarningsperShareDetails">
        <link:definition>9955544 - Disclosure - Earnings per Share (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEventsDetails" roleURI="http://www.sunbeltrentals.com/role/SubsequentEventsDetails">
        <link:definition>9955545 - Disclosure - Subsequent Events (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="snblt_RentalEquipmentMember" abstract="true" name="RentalEquipmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_PropertyPlantAndEquipmentExcludingRentalEquipmentMember" abstract="true" name="PropertyPlantAndEquipmentExcludingRentalEquipmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_EquipmentRentalRevenueMember" abstract="true" name="EquipmentRentalRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_NewEquipmentMerchandiseAndConsumablesMember" abstract="true" name="NewEquipmentMerchandiseAndConsumablesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_CommonStockHeldByESOTMember" abstract="true" name="CommonStockHeldByESOTMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_SunbeltRentalsCommonStockMember" abstract="true" name="SunbeltRentalsCommonStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_AshteadCommonStockMember" abstract="true" name="AshteadCommonStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_SettlementOfStockBasedCompensation" abstract="false" name="SettlementOfStockBasedCompensation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snblt_PaymentsForRepurchaseOfCommonStockEmployeeStockTrust" abstract="false" name="PaymentsForRepurchaseOfCommonStockEmployeeStockTrust" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snblt_EquipmentRentalsMember" abstract="true" name="EquipmentRentalsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_OtherRentalRevenueDeliveryAndPickUpMember" abstract="true" name="OtherRentalRevenueDeliveryAndPickUpMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_OtherRentalRevenueOtherMember" abstract="true" name="OtherRentalRevenueOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_RentalEquipmentSalesMember" abstract="true" name="RentalEquipmentSalesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_SalesOfNewEquipmentMerchandiseAndConsumablesMember" abstract="true" name="SalesOfNewEquipmentMerchandiseAndConsumablesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_ContractualTermsInvoicesPaymentPeriod" abstract="false" name="ContractualTermsInvoicesPaymentPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="snblt_AccountsReceivableAllowanceForCreditLossIncreaseInAllowanceRecognized" abstract="false" name="AccountsReceivableAllowanceForCreditLossIncreaseInAllowanceRecognized" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snblt_A2026AcquisitionsMember" abstract="true" name="A2026AcquisitionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_A2025AcquisitionsMember" abstract="true" name="A2025AcquisitionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_NorthAmericaGeneralToolSegmentMember" abstract="true" name="NorthAmericaGeneralToolSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_NorthAmericaSpecialtySegmentMember" abstract="true" name="NorthAmericaSpecialtySegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_BusinessCombinationMeasurementPeriodAdjustmentNetAssetsAcquired" abstract="false" name="BusinessCombinationMeasurementPeriodAdjustmentNetAssetsAcquired" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snblt_BusinessCombinationRecognizedAssetAcquiredOperatingLeaseRightOfUseAssets" abstract="false" name="BusinessCombinationRecognizedAssetAcquiredOperatingLeaseRightOfUseAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snblt_BusinessCombinationRecognizedLiabilityAssumedAccountsPayableAccruedExpensesAndOtherLiabilities" abstract="false" name="BusinessCombinationRecognizedLiabilityAssumedAccountsPayableAccruedExpensesAndOtherLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snblt_BusinessCombinationRecognizedLiabilityAcquiredOperatingLeaseLiabilities" abstract="false" name="BusinessCombinationRecognizedLiabilityAcquiredOperatingLeaseLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snblt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivablesBeforeAllowanceForCreditLoss" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivablesBeforeAllowanceForCreditLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snblt_UKSegmentMember" abstract="true" name="UKSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_AdjustedCostOfProductAndServicesSold" abstract="false" name="AdjustedCostOfProductAndServicesSold" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snblt_AdjustedSegmentOperatingIncomeExpense" abstract="false" name="AdjustedSegmentOperatingIncomeExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snblt_PurchasesOfRentalEquipmentAccruedButNotYetPaid" abstract="false" name="PurchasesOfRentalEquipmentAccruedButNotYetPaid" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snblt_SalesOfRentalEquipmentButNotYetPaid" abstract="false" name="SalesOfRentalEquipmentButNotYetPaid" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snblt_FirstPrioritySeniorSecuredCreditFacilityMember" abstract="true" name="FirstPrioritySeniorSecuredCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_OnePointFiveZeroZeroPercentSeniorNotesDueAugust2026Member" abstract="true" name="OnePointFiveZeroZeroPercentSeniorNotesDueAugust2026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_FourPointThreeSevenFivePercentSeniorNotesDueAugust2027Member" abstract="true" name="FourPointThreeSevenFivePercentSeniorNotesDueAugust2027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_FourPointZeroZeroZeroPercentSeniorNotesDueMay2028Member" abstract="true" name="FourPointZeroZeroZeroPercentSeniorNotesDueMay2028Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_FourPointTwoFiveZeroPercentSeniorNotesDueNovember2029Member" abstract="true" name="FourPointTwoFiveZeroPercentSeniorNotesDueNovember2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_FourPointNineFiveZeroPercentSeniorNotesDueAugust2030Member" abstract="true" name="FourPointNineFiveZeroPercentSeniorNotesDueAugust2030Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_TwoPointFourFiveZeroPercentSeniorNotesDueAugust2031Member" abstract="true" name="TwoPointFourFiveZeroPercentSeniorNotesDueAugust2031Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_FivePointFiveZeroZeroPercentSeniorNotesDueAugust2032Member" abstract="true" name="FivePointFiveZeroZeroPercentSeniorNotesDueAugust2032Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_FivePointFiveFiveZeroPercentSeniorNotesDueMay2033Member" abstract="true" name="FivePointFiveFiveZeroPercentSeniorNotesDueMay2033Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_FivePointNineFiveZeroPercentSeniorNotesDueOctober2033Member" abstract="true" name="FivePointNineFiveZeroPercentSeniorNotesDueOctober2033Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_FivePointEightZeroZeroPercentSeniorNotesDueApril2034Member" abstract="true" name="FivePointEightZeroZeroPercentSeniorNotesDueApril2034Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_FivePointSixFiveZeroPercentSeniorNotesDueAugust2036Member" abstract="true" name="FivePointSixFiveZeroPercentSeniorNotesDueAugust2036Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_ABLFacilityMember" abstract="true" name="ABLFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_DebtInstrumentCovenantFixedChargeCoverageRatio" abstract="false" name="DebtInstrumentCovenantFixedChargeCoverageRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="snblt_DebtInstrumentCovenantMinimumBorrowingAvailability" abstract="false" name="DebtInstrumentCovenantMinimumBorrowingAvailability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snblt_LineOfCreditFacilityRemainingBorrowingCapacityCovenantAdjusted" abstract="false" name="LineOfCreditFacilityRemainingBorrowingCapacityCovenantAdjusted" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snblt_DebtInstrumentNumberOfSeriesOfSeniorNotesOutstanding" abstract="false" name="DebtInstrumentNumberOfSeriesOfSeniorNotesOutstanding" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="snblt_ContingentConsiderationLiabilityPaymentPeriod" abstract="false" name="ContingentConsiderationLiabilityPaymentPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="snblt_CommonStockAbstract" abstract="true" name="CommonStockAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="snblt_CommonStockHeldByTheESOTAbstract" abstract="true" name="CommonStockHeldByTheESOTAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="snblt_LiabilityClassifiedLongTermIncentiveAwardsMember" abstract="true" name="LiabilityClassifiedLongTermIncentiveAwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snblt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableNumber" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableNumber" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="snblt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedAverageFairValue" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="snblt_A1.500SeniorNotesMember" abstract="true" name="A1.500SeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
