Lookup — Allison Transmission Serial Number

Call an authorized Allison distributor with the serial number and model from the tag. They can access internal databases.

[ Locate Metal Tag ] ➔ [ Clean & Transcribe S/N ] ➔ [ Enter into Allison HUB ] ➔ [ Download Build Sheet ] Step 1: Clean the Tag Surface

: On some vehicles, a duplicate identification plate may be found on the driver's side door placard or the operator's cab/cowl. 2. How to Use the Serial Number for Lookup Allison Transmission Serial Number Lookup

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Once you locate the tag, you will see several key pieces of information. The exact layout can vary, but the tag will typically include the following: Call an authorized Allison distributor with the serial

These often started with letters that designated the specific plant (e.g., Indianapolis production lines) or the transmission series family. Step 4: Performing the Online Serial Number Lookup

Older electronic transmissions often used a 10-digit format starting with the plant code: The exact layout can vary, but the tag

Whether you're performing routine maintenance or sourcing a replacement part, your Allison Transmission serial number

You now know where to find the number (data plate, left side, or via DOC), how to decode it (sequence only, use the system), and who to call (local distributor or 1-800-ALLYSON).

The serial number is typically a located on a metal data plate (nameplate) attached to the transmission housing. Service Tools + Information - Allison Transmission