: Many trucks feature a white placard on the driver’s side door frame or cab/cowl that lists the transmission model and serial number.
If you don't have your paperwork, you can find the 10-digit serial number physically on the transmission: : Look for a metal data plate (nameplate) typically located on the passenger side of the transmission housing.
If you don’t have the number handy, it is typically located on a metal attached to the transmission housing.
While a web link gives you the full factory build sheet, you can decode basic structural timelines directly from the number sequence. Modern 10-digit serial numbers are structured to reveal manufacturing origins. Digit Position What It Represents Example Breakdown ( 2410123456 ) Plant Code / Country of Origin 24 = Indianapolis, USA Plant Digits 3–4 Year of Manufacture 10 = Manufactured in 2010 Digits 5–10 Unique Sequential Production Number 123456 = Specific build sequence Legacy 12-Digit Decodification allison transmission serial number lookup link
: General portal for identifying products and accessing maintenance or troubleshooting data using your serial number. Allison Transmission How to Find Your Serial Number
, Assembly, or Detail Part Numbers to find configuration details and historical build/ship data. Warranty Status Check
Allison Transmission is currently migrating to a system for heavy-duty transmissions. By 2026, you will be able to scan a QR code on the transmission with your smartphone and view: : Many trucks feature a white placard on
Once you have the 10-digit number, follow these steps to retrieve your transmission data: Navigate to the Allison HUB.
If the metal tag is missing, check the rear lower left corner of the transmission main case.
Allison also provides a simplified public-facing portal known as the "My Transmission" page. This tool is designed for quick, basic lookups. You can access it directly at: While a web link gives you the full
: View historical build data and configuration details specific to that serial number. Warranty Status : Check the Warranty Status
The exact day, month, and year your transmission was manufactured.
If you want to pull up the exact details for your vehicle, tell me: What do you have?
Here you can verify if the serial number is a genuine factory-remanufactured unit and check how much warranty remains.