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  <xs:element id="wnc_ChassisConverterPoolAssetsCurrent" abstract="false" name="ChassisConverterPoolAssetsCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wnc_RevolvingCreditAgreementMember" abstract="true" name="RevolvingCreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wnc_LineOfCreditFacilityAccordionFeatureIncreaseAmount" abstract="false" name="LineOfCreditFacilityAccordionFeatureIncreaseAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wnc_FixedChargeCoverageRatio" abstract="false" name="FixedChargeCoverageRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="wnc_LineOfCreditFacilityExcessAvailabilityCommitmentPercentageThreshold" abstract="false" name="LineOfCreditFacilityExcessAvailabilityCommitmentPercentageThreshold" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wnc_LineOfCreditFacilityExcessAvailabilityAmount" abstract="false" name="LineOfCreditFacilityExcessAvailabilityAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wnc_LineOfCreditFacilityExcessAvailabilityAppliedToPrincipalCommitmentPercentage" abstract="false" name="LineOfCreditFacilityExcessAvailabilityAppliedToPrincipalCommitmentPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wnc_DebtInstrumentCovenantPeriod" abstract="false" name="DebtInstrumentCovenantPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="wnc_LesseeOperatingLeaseNumberOfOptionsToRenew" abstract="false" name="LesseeOperatingLeaseNumberOfOptionsToRenew" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="wnc_OperatingLeaseAndFinanceLeaseRightOfUseAsset" abstract="false" name="OperatingLeaseAndFinanceLeaseRightOfUseAsset" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wnc_OperatingLeaseAndFinanceLeaseLiability" abstract="false" name="OperatingLeaseAndFinanceLeaseLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wnc_LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour" abstract="false" name="LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wnc_WeightedAverageRemainingLeaseTermAbstract" abstract="true" name="WeightedAverageRemainingLeaseTermAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wnc_LeasesWeightedAverageDiscountRateAbstract" abstract="true" name="LeasesWeightedAverageDiscountRateAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wnc_CashFlowLesseeAbstract" abstract="true" name="CashFlowLesseeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wnc_ChassisConverterPoolLiabilityCurrent" abstract="false" name="ChassisConverterPoolLiabilityCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wnc_AccruedLiabilitiesTable" abstract="true" name="AccruedLiabilitiesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="wnc_DuraPlateTrailerPanelsMember" abstract="true" name="DuraPlateTrailerPanelsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wnc_SteelMainBeamsOnFlatbedTrailersMember" abstract="true" name="SteelMainBeamsOnFlatbedTrailersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wnc_AccruedLiabilitiesLineItems" abstract="true" name="AccruedLiabilitiesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wnc_StandardProductWarrantyCoveragePeriod" abstract="false" name="StandardProductWarrantyCoveragePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="wnc_IndianaDepartmentOfEnvironmentalManagementMember" abstract="true" name="IndianaDepartmentOfEnvironmentalManagementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wnc_EnvironmentalProtectionAgencyMember" abstract="true" name="EnvironmentalProtectionAgencyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wnc_ArizonaDepartmentOfEnvironmentalQualityMember" abstract="true" name="ArizonaDepartmentOfEnvironmentalQualityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wnc_DryVanTrailersMember" abstract="true" name="DryVanTrailersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wnc_EnvironmentalLossContingencyPotentiallyResponsibleParty" abstract="false" name="EnvironmentalLossContingencyPotentiallyResponsibleParty" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="wnc_EnvironmentalLossContingencyNumberOfOperableUnits" abstract="false" name="EnvironmentalLossContingencyNumberOfOperableUnits" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="wnc_NumberOfMilesApartOriginalSuperfundSiteLocatedFromFormerBranchFacility" abstract="false" name="NumberOfMilesApartOriginalSuperfundSiteLocatedFromFormerBranchFacility" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="wnc_EnvironmentalLossContingencyStatutorilyRequiredPublicPeriod" abstract="false" name="EnvironmentalLossContingencyStatutorilyRequiredPublicPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="wnc_ChassisConverterPoolDeliveryPeriod" abstract="false" name="ChassisConverterPoolDeliveryPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="wnc_NumberOfProductCategories" abstract="false" name="NumberOfProductCategories" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="wnc_CorporateAndEliminationsMember" abstract="true" name="CorporateAndEliminationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wnc_SellingGeneralAndAdministrativeExpenseNetOfAdjustments" abstract="false" name="SellingGeneralAndAdministrativeExpenseNetOfAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wnc_NewTrailersMember" abstract="true" name="NewTrailersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wnc_UsedTrailersMember" abstract="true" name="UsedTrailersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wnc_ComponentsPartsandServicesMember" abstract="true" name="ComponentsPartsandServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wnc_EquipmentandOtherMember" abstract="true" name="EquipmentandOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wnc_ConvertibleSeniorNotesDue2032Member" abstract="true" name="ConvertibleSeniorNotesDue2032Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wnc_DebtInstrumentConvertibleTermsOfConversionAxis" abstract="true" name="DebtInstrumentConvertibleTermsOfConversionAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="wnc_DebtInstrumentConvertibleTermsOfConversionDomain" abstract="true" name="DebtInstrumentConvertibleTermsOfConversionDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wnc_DebtConversionTermsOneMember" abstract="true" name="DebtConversionTermsOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wnc_DebtConversionTermsTwoMember" abstract="true" name="DebtConversionTermsTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wnc_DebtInstrumentConvertiblePremiumPercentageOverLastReportedSalePrice" abstract="false" name="DebtInstrumentConvertiblePremiumPercentageOverLastReportedSalePrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wnc_DebtInstrumentConvertiblePremiumPercentageOverLastReportedPerShare" abstract="false" name="DebtInstrumentConvertiblePremiumPercentageOverLastReportedPerShare" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
</xs:schema>
