Using the official lookup tools ensures you order compatible filters, fluids, and internal components without relying on guesswork.
Serve as a sequential build sequence unique to that specific transmission assembly. Legacy Serial Numbers (Older Units) allison transmission serial number lookup link
Typically located on the driver’s side rear or passenger's side rear of the transmission main housing. Using the official lookup tools ensures you order
You cannot use the lookup link without the number. Allison places the serial number on a (metal tag) and stamped directly into the casing. using the online lookup tool
This comprehensive guide will walk you through finding your serial number, using the online lookup tool, and decoding the information. The Official Allison Transmission Serial Number Lookup Link