ChooseModelOption_Choose your Model
FluidApproved3K4KAEDNotes_Extended filter change intervals are only valid with the use of Allison Transmission high-capacity filters. For specific Allison Part Numbers, refer to Service Tip #1099
FluidApprovedAEDPart1Notes_TES 468 approved fluids are the only fluids approved for Allison Electric Drives™ H 40/50 EP Products.
FluidApprovedAED-TES295-Notes_Fluid exchange (purge) machines are not recommended or recognized due to variation and inconsistencies with ensuring removal of 100% of the used fluid.
FluidApprovedAllNotes1_Local conditions, severity of operation or duty cycle may require more or less frequent fluid change intervals that differ from the published recommended fluid change intervals of Allison Transmission.
FluidApprovedAllNotes2_Change fluid/filters after recommended mileage, months elapsed, or hours in operation, whichever occurs first.
FluidApprovedAllNotes3_Transmission protection and fluid change intervals can be optimized by the use of fluid analysis. Filters must be changed at or before recommended intervals.
FluidApprovedAT-MT-HT-Notes_When an Allison recommended high-efficiency filter is used, the change interval is until the Change Filter light indicates the filter is contaminated or 3 years, whichever occurs first. No mileage restrictions apply.
FluidHourNotes_Based on the usage profile you specified, the change intervals above are calculated based on hours of use. Change intervals for vehicles operating at lower speeds appear to be shortened, but the intervals are based on the equivalent mileage for the given hours of use as vehicles operating at high average speeds.
FluidMonthNotes_Based on the usage profile you specified, the change intervals above are calculated based on months elapsed. Change intervals for vehicles operating at lower speeds appear to be shortened, but the intervals are based on the equivalent mileage for the given months elapsed as vehicles operating at high average speeds.
FluidTextAED_100% Allison Approved TES 468 fluid (no mixture)
FluidTextMixture_100% Allison Approved TES 389 fluid or a mixture of TES 389 and TES 295 fluid
FluidTextTES295_100% Allison Approved TES 295 fluid
HoursOfOperationText_hours of operation
InternalFilterWireMesh_If using Polyester Overhaul or if using Wire Mesh
MainFilterLabel1K2K_Control Main (Spin-on) Filter
ResultsDistanceLabel_Annual Distance Traveled
ResultsHoursLabel_Hours in Operation
ResultsPrognosticsMessage1_When indicated by controller
SelectModelHeader_Select Your Model
Step1Label_Step 1 of 3
Step2CompleteText_Please complete Step 1 first
Step2FluidAnswer1_100% Allison Approved TES 295 fluid (no mixture)
Step2FluidAnswer2_100% Allison Approved TES 389 fluid or mixture of Allison Approved TES 389/TES 295 fluid
Step2FluidMoreInfo1_* Mixture is defined as the quantity of Allison Approved TES 389 and Allison Approved TES 295 fluid remaining in the transmission after a standard fluid change.
Step2FluidMoreInfo2_If the transmission contains such a mixture, it is not eligible for the 100% concentration extended change intervals, until the second consecutive fluid change using Allison Approved TES 295 fluid.
Step2FluidMoreInfo3_Fluid exchange (purge) machines are not recommended or recognized due to variation and inconsistencies with ensuring removal of 100% of the used fluid.
Step2FluidQuestion_What type of fluid does the transmission currently contain?
Step2Header_Please Answer the Following Questions
Step2Label_Step 2 of 3
Step2NoQuestionsPrompt_There are no questions to answer. Please continue to the next step
Step2PrognosticsQuestion_Is the prognostic feature enabled for your transmission? Consult your Operator's Manual for how to determine if Prognostics is turned on.
Step3CompleteText_Please complete previous steps first
Step3DaysQuestion_How many days per week is this vehicle in operation?
Step3Header_Please Specify Usage Profile
Step3HoursQuestion_How many hours per day is this vehicle in operation?
Step3IntroText_Fluid and filter change recommendations are based on three criteria: mileage, hours in use, or months elapsed, whichever comes first. This step helps determine which criteria to use in determining a change interval for your vehicle(s).
Step3Label_Step 3 of 3
Step3MilesQuestion_How many miles/km per day does this vehicle travel?
Step3MoreInfoText_* Change intervals for transmissions in stationary applications cannot be determined using this calculator. Please consult your operators manual for more information.
Transmission1K2KText_1000 and 2000 Product Families (1000 2000 and 2400 TM Series)
Transmission3KText_3000 Product Families (MD 3000, B300-B400, T200, T300)
Transmission4KText_4000 Product Families (HD4000, B500, T400, T500)
TransmissionAEDText_Allison Electric Drives H40/50 EP
TransmissionATText_AT Product Families
TransmissionHTText_HT Product Families
TransmissionMTText_MT Product Families
ValidationDaysNumeric_Please enter only numerical characters in the "days per week" field.
ValidationDaysRange_You must enter a value between 1 and 7 days.
ValidationDaysRequired_You must enter days per week.
ValidationHoursNumeric_Please enter only numerical characters in the "hours per day" field.
ValidationHoursRange_You must enter a value between 1 and 24 hours.
ValidationHoursRequired_You must enter hours per day as a whole number.
ValidationMilesNumeric_Please enter only integers (whole numbers) in the "miles/km per day" field.
ValidationMilesRequired_You must enter miles/km per day as a whole number.
WhicheverComesFirstText_whichever comes first.
WhichIsBasedOnText_which is based on
Step2SevereQuestion2_Is the transmission duty cycle severe? Severe Duty stops more than once per mile.
Step2SevereQuestion1_Is the transmission duty cycle severe? Severe Duty Cycle is when the transmission is equipped with transmission retarder or, used in on/off highway vocation, refuse vocation, transit vocation, or intercity coach that stops more than once per mile?
not-sure-part1_Not sure of approved fluid?
not-sure-part3_for list of Allison approved fluids.
OtherDescriptionText_Allison Transmission has designed extensive programs including specifications and tests to verify the quality of fluids and consequently have specific fluid and filter change recommendations. Due to field studies, changes in emission requirements, vehicle design, and operating environments, Allison Transmission can only recommended fluid change intervals for TES 295 or TES 389 approved fluids and filter change intervals with genuine Allison filters. Should you choose not to utilize TES 295 or TES 389 approved fluids or non-genuine Allison filters then Allison Transmission cannot recommend a specific fluid and filter change intervals.
FluidModelYearText_(Model Year 2010 or newer)