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  <element name="LongTermDebtCurrentAndNonCurrent" id="alsn_LongTermDebtCurrentAndNonCurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LossOnIntercompanyForeignExchange" id="alsn_LossOnIntercompanyForeignExchange" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MaturityDateOfRevolvingCreditBorrowings" id="alsn_MaturityDateOfRevolvingCreditBorrowings" type="xbrli:gYearMonthItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NaturalGasMember" id="alsn_NaturalGasMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureLineItems" id="alsn_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTable" id="alsn_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="OtherComprehensiveIncomeLossReclassificationAdjustmentFromAccumulatedOtherComprehensiveIncomePensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax" id="alsn_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAccumulatedOtherComprehensiveIncomePensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherComprehensiveIncomeLossReclassificationAdjustmentFromAccumulatedOtherComprehensiveIncomePensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax" id="alsn_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAccumulatedOtherComprehensiveIncomePensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherCurrentLiabilitiesLineItems" id="alsn_OtherCurrentLiabilitiesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherCurrentLiabilitiesTable" id="alsn_OtherCurrentLiabilitiesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="OtherExpenseIncomeNetMember" id="alsn_OtherExpenseIncomeNetMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherIncomeExpenseLineItems" id="alsn_OtherIncomeExpenseLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherIncomeExpenseTable" id="alsn_OtherIncomeExpenseTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="OtherPartyMember" id="alsn_OtherPartyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OwnershipPercentageByRelatedParties" id="alsn_OwnershipPercentageByRelatedParties" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PatentedTechnologyCommercialMember" id="alsn_PatentedTechnologyCommercialMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PatentedTechnologyDefenseMember" id="alsn_PatentedTechnologyDefenseMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfAnnualExcessCashFlowForPrePaymentOfLoan" id="alsn_PercentageOfAnnualExcessCashFlowForPrePaymentOfLoan" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PresidentAndChiefExecutiveOfficerMember" id="alsn_PresidentAndChiefExecutiveOfficerMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PrimeRateOrFederalFundsRateMember" id="alsn_PrimeRateOrFederalFundsRateMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProductWarrantyAccrualReductionChargedToComprehensiveIncome" id="alsn_ProductWarrantyAccrualReductionChargedToComprehensiveIncome" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProductWarrantyAccrualReductionChargedToDualPowerInverterModuleReceivable" id="alsn_ProductWarrantyAccrualReductionChargedToDualPowerInverterModuleReceivable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProprietaryTechnologyMember" id="alsn_ProprietaryTechnologyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PublicOfferingFeesAndExpenses" id="alsn_PublicOfferingFeesAndExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ReductionOfBasisOfCapitalAssetsPurchasedUnderGrantProgram" id="alsn_ReductionOfBasisOfCapitalAssetsPurchasedUnderGrantProgram" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RefinancedTermLoanMember" id="alsn_RefinancedTermLoanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SalesAllowances" id="alsn_SalesAllowances" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScenarioOneMember" id="alsn_ScenarioOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfAcquiredFiniteAndIndefiniteLivedIntangibleAssetByMajorClassTable" id="alsn_ScheduleOfAcquiredFiniteAndIndefiniteLivedIntangibleAssetByMajorClassTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="ScheduleOfDerivativeInstrumentsInStatementOfResultOfOperationsGainLossRecognizedOnDerivativesTableTextBlock" id="alsn_ScheduleOfDerivativeInstrumentsInStatementOfResultOfOperationsGainLossRecognizedOnDerivativesTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfEmployeeBenefitPlansLineItems" id="alsn_ScheduleOfEmployeeBenefitPlansLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfEmployeeBenefitPlansTable" id="alsn_ScheduleOfEmployeeBenefitPlansTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="SecondaryPublicOfferingMember" id="alsn_SecondaryPublicOfferingMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorCashPayNotesFixedDueDate" id="alsn_SeniorCashPayNotesFixedDueDate" type="xbrli:gYearItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorCashPayNotesFixedSevenPointOneTwoFivePercentDueTwoThousandNineteenMember" id="alsn_SeniorCashPayNotesFixedSevenPointOneTwoFivePercentDueTwoThousandNineteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorSecuredCreditFacilityMember" id="alsn_SeniorSecuredCreditFacilityMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorSecuredCreditFacilityTermBOneDueDate" id="alsn_SeniorSecuredCreditFacilityTermBOneDueDate" type="xbrli:gYearItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorSecuredCreditFacilityTermBOneLoanVariableDueTwoThousandFourteenMember" id="alsn_SeniorSecuredCreditFacilityTermBOneLoanVariableDueTwoThousandFourteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorSecuredCreditFacilityTermBThreeDueDate" id="alsn_SeniorSecuredCreditFacilityTermBThreeDueDate" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorSecuredCreditFacilityTermBThreeLoanDueTwoThousandNineteenMember" id="alsn_SeniorSecuredCreditFacilityTermBThreeLoanDueTwoThousandNineteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorSecuredCreditFacilityTermBThreeLoanVariableDueTwoThousandNineteenMember" id="alsn_SeniorSecuredCreditFacilityTermBThreeLoanVariableDueTwoThousandNineteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorSecuredCreditFacilityTermBTwoDueDate" id="alsn_SeniorSecuredCreditFacilityTermBTwoDueDate" type="xbrli:gYearItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorSecuredCreditFacilityTermBTwoLoanDueTwoThousandSeventeenMember" id="alsn_SeniorSecuredCreditFacilityTermBTwoLoanDueTwoThousandSeventeenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorSecuredCreditFacilityTermBTwoLoanVariableDueTwoThousandSeventeenMember" id="alsn_SeniorSecuredCreditFacilityTermBTwoLoanVariableDueTwoThousandSeventeenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeniorSecuredCreditFacilityTermOneLoanVariableDueTwoThousandSixteenMember" id="alsn_SeniorSecuredCreditFacilityTermOneLoanVariableDueTwoThousandSixteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SevenPointOneTwoFivePercentSeniorNotesMember" id="alsn_SevenPointOneTwoFivePercentSeniorNotesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SteelMember" id="alsn_SteelMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ToolingRightsMember" id="alsn_ToolingRightsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TransmissionProductLines" id="alsn_TransmissionProductLines" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="USGovernmentContractsMember" id="alsn_USGovernmentContractsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VendorBuybackObligation" id="alsn_VendorBuybackObligation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="VicePresidentHumanResourceMember" id="alsn_VicePresidentHumanResourceMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="YearOfIntroductionOfCompanyAutomaticProducts" id="alsn_YearOfIntroductionOfCompanyAutomaticProducts" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
</schema>
