To find your build sheets, warranty status, and exact model configuration, use the official tool provided by the manufacturer: Allison Transmission MyTransmission Portal Alternative Tool: Allison HUB / Service Information
: The serial number is usually 10 digits long and is listed on the bottom left of the data plate, directly under the model number. Quick Identification by Serial Prefix Common Allison series often start with these digits: 1000/2000 Series : Starts with 3000 Series : Starts with 4000 Series : Starts with Dartco Transmission
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An Allison transmission serial number is a unique identifier assigned to each transmission manufactured by Allison Transmission, a leading provider of medium- and heavy-duty automatic transmissions. The serial number is typically found on a nameplate or label on the transmission and is used to identify the transmission's specifications, features, and maintenance history.
Ultimate Guide to Allison Transmission Serial Number Lookup: Find Your Specs Instantly To find your build sheets, warranty status, and
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The serial number is often labeled or “S/N” and can be a combination of letters and numbers (e.g., 6810401477 or 8610943451). The serial number is typically found on a
Pro Tip: Call Allison Customer Support at (North America). Provide your serial number, and they will email you the build sheet for free.
Note: You may need to create a free account to access full serial number lookup features.
: This database allows you to search by Serial Number , Assembly Number, or Detail Part Number to find correct replacement components.
The first few digits of your serial number can often tell you which "family" your transmission belongs to: : Starts with 631, 632, or 9308. 3000 Series : Starts with 651, 652, or 9307. 4000 Series : Starts with 661, 662, or 943. AT500 Series : Starts with 321 or 9108.