The Ultimate Guide to Allison Transmission Serial Number Lookup
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The tag will also contain the assembly number and model number, which are useful for identifying the specific vocational series (e.g., 2000, 3000, or 4000 series).
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Look on the passenger side (right side) or the driver's side (left side) toward the rear of the transmission main housing.
The exact day, month, and year your transmission was manufactured.
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: This database allows you to search by Serial Number , Assembly, or Detail Part Number.
To recap your direct access points:
Entering your serial number here provides access to customized electronic diagnostic manuals, parts catalogs, and factory build sheets. The Ultimate Guide to Allison Transmission Serial Number
The serial number is a 10-digit numeric code.
Look for the field clearly labeled S/N or Serial No . Step-by-Step Lookup Process
Allison Transmission My Transmission / Service My Transmission How to Use the Portal Navigate to the official Allison Transmission website. Access the Sales & Service or Parts & Service tab. Locate the Serial Number Lookup or My Transmission tool. Enter your 10-digit serial number into the search bar. Click Submit to generate your build configuration sheet. Where to Find Your Allison Serial Number Can’t copy the link right now
Ensure you type all leading zeros. The system requires the full 10-digit sequence.