Q1: What model Allison transmission is in my vehicle?
Answer: Check the Nameplate on the R/H side of the transmission for On-Hwy,
and on the Rear Cover for Off-Hwy transmissions. Check your vehicle/order paperwork. If you cannot find the Model Number or Serial Number please call us, but have the following information ready: Type of vehicle, HP of your engine, Age of the vehicle.
Q2: What fluid do I use in my Allison transmission?
Answer: TranSynd, fully synthetic fluid is the first choice for all Allison transmissions.
- For 1000 & 2000 Series the second choice is Dexron III.
- For 3000 & 4000 Series the second choice is Dexron III or C4 Fluids.
- For Off-Highway series, 5/6/8/9000 the second choice is C4 Fluids.
Q3: How do I check the fluid level?
Answer: Checking fluid level is a two step procedure. Firstly, check the fluid cold, before starting the vehicle, to make sure you have sufficient fluid for start up. Secondly, when on operating temperature, 60 deg C and above, check the fluid level again, with engine running and in Neutral. The level should be between FULL and ADD marks.
For electronically controlled transmissions equipped with the Oil Level Sensor use the Shift Selector to obtain fluid level information.
Q4: What is the “normal” transmission operating temperature?
Answer: Normal operating temperature for Non-Retarder transmissions should be between 60 deg. C and 120 deg. C. For Retarder transmissions maximum temperature can increase to 150 deg. C during Retarder operation.
Q5: What is the Warranty on my Allison transmission?
Answer: Bus transmissions - 1000, 2000 and 2400 series transmission installed in a bus are warranted for 36 months, with no mileage limitation.
B300, B400 and B500 are warranted for 24 months, with no mileage limitation.
On-Highway transmissions - 1000, 2000 and 2400 Series transmissions are warranted for 36 months, with no mileage limit.
3000 & 4000 Series transmission is warranted for 24 months with no mileage limit . All On-Highway transmissions used in emergency vehicles are warranted for 60 months, with no mileage limitation.
Off-Highway transmissions - Any On-Highway transmissions installed in Off-Highway application are warranted for 6 months with no mileage limitation.
All Off-Highway transmissions, 5000, 6000, 8000 and 9000, are warranted for 12 months or 5000 Hrs, whichever occurs first.
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