Allison Transmission Serial Number Lookup Guide

Find your model and serial number, then visit AllisonTransmission.com/eHub or call your nearest authorized distributor. Have an Allison serial number mystery? Drop the model and prefix in the comments—I’ll help you decode it.

If you rely on Allison transmissions—whether in a municipal bus, a Class 8 tractor, a motorhome, or an off-highway vehicle—you already know they are built like tanks. But when it comes time for maintenance, ordering parts, or verifying a used unit, that metal tag on the side of the housing suddenly becomes the most important thing in your shop. Allison Transmission Serial Number Lookup