Allison Transmission Serial Number Lookup Jun 2026

Use your phone to take a clear photo of the data plate. This is often easier than trying to read it from under the vehicle.

Type your 10-digit serial number without spaces, dashes, or letters.

Once you have located the serial number, understanding what it tells you about your transmission is the next step. Allison Transmission serial numbers typically contain 10 digits. The serial number is listed just under the model number on the transmission data plate and is shown on the bottom left of the plate. Allison Transmission Serial Number Lookup

Found in heavy-duty vocational trucks and buses. The tag is typically on the driver’s side (left side) near the oil pan rail. 3. Read the Correct Number

Typically found on the passenger side (right side) of the transmission. Use your phone to take a clear photo of the data plate

This article explains what Allison transmission serial numbers are, where to find them, how to decode the key information they contain, how to use Allison’s official tools and third‑party resources to look up a unit’s history or warranty, and practical tips for buying, servicing, or registering Allison transmissions.

Popular in motorhomes, refuse trucks, and fire apparatus. Look on the driver’s side (left side) of the main case, toward the middle or rear. Once you have located the serial number, understanding

He typed in 6310987654 . Within seconds, the portal revealed the transmission’s first secret: .

The identification tag is typically located on the right (passenger side), just rear of the power take-off (PTO) cover. Three key pieces of information appear on the tag: the model number, the date of manufacture number, and the serial number.

For owners, operators, and mechanics working with heavy-duty vehicles, buses, or commercial trucks, identifying the exact transmission components is crucial for maintenance, repairs, and replacement. is the primary method to identify the precise specifications, build date, and parts needed for an Allison automatic transmission.

Most modern Allison transmissions have the data tag on the passenger side of the transmission case.