Allison Transmission Serial Number Lookup Jun 2026

Right-hand (passenger) side of the main housing, near the rear extension housing. Garbage trucks, dump trucks, regional haulers, motorhomes

Allison serial numbers are typically 10 digits long . 2. Using Official Lookup Tools

The serial number is a usually preceded by "S/N" or listed clearly under the "Serial No." field. Do not confuse it with the Assembly Number (A/N) or the Model Number (e.g., MD3060, 3000 MH). Step-by-Step: How to Use the Online Lookup Tool

: Use the Allison Warranty Tool to see if your unit is still under coverage or has registered Extended Coverage (EC). Allison Transmission Serial Number Lookup

Once you have the number, you can use several tools to access detailed information: Allison HUB™ | Allison Transmission

: Signifies specific features or model differentiators like "Park" settings. 4. When to Perform a Lookup

A small silver or colored plate. You will need to wipe away dirt or grease to read the digits. Right-hand (passenger) side of the main housing, near

While the serial number is the best method, there are a few alternate ways to identify your transmission in a pinch.

Older transmissions, off-highway units, and specialized military models frequently use an alphanumeric format consisting of letters and numbers.

Go to the official Allison Transmission public website and navigate to the "Parts & Service" section, or access the "Allison HUB". Using Official Lookup Tools The serial number is

Once you have documented your 10-digit serial number, you can utilize official channels to run the lookup.

: Re-verify the digits on the tag. It is easy to mistake a stamped 0 (zero) for an O (letter), or a 1 (one) for an I . Remember that modern Allison serial numbers are strictly numeric.

If you are looking up a serial number for a fleet vehicle (like a delivery van or bus), you might find a "Fleet Code."