Allison Transmission Manuals & User Guides

Allison Transmission is a premier global provider of vehicle propulsion solutions, renowned as the largest manufacturer of medium- and heavy-duty fully automatic transmissions. Founded in 1915 and headquartered in Indianapolis, Indiana, the company serves a wide array of markets including on-highway trucks, buses, motorhomes, off-highway energy and construction equipment, and defense vehicles. Allison is also a leader in the development of electrified propulsion systems, committed to improving the way the world works through reliable and efficient technology.

With a global presence spanning over 80 countries, Allison Transmission supports its products through an extensive network of independent distributors and dealers. Their transmissions are engineered for durability and performance, featuring advanced electronic controls and prognostic capabilities that minimize downtime and optimize maintenance schedules. The company continues to innovate with solutions like FuelSense 2.0 and next-generation electric axles.

• How do I check the fluid level on my Allison Transmission?

  On vehicles with a pushbutton shift selector, park on a level surface, shift to Neutral, and simultaneously press the UP and DOWN arrows. The display will indicate if the fluid level is correct, low, or high.

• What does the wrench icon mean on the shift selector?

  The wrench icon indicates that a prognostic function regarding clutch, filter, or fluid life requires attention. It serves as a service reminder to minimize downtime.

• How do I find a local Allison Transmission service dealer?

  You can locate an authorized service center using the Sales + Service Locator tool on the official Allison Transmission websafle.

• What is the standard warranty for Allison Transmissions?

  Allison provides a Standard Limited Warranty covering 100% parts and labor for a designated period based on the vocational model series. Extended coverage options are also available.