Allison Transmission Serial Number Lookup Link [new] Site

: Navigate to the Parts Catalog section. You will need both your 10-digit serial number and sometimes the 7-digit assembly part number found on the nameplate.

No official app exists for public lookup. However, the Allison Transmission mobile app (iOS/Android) provides a "Toolbox" section with generic service guides, but not live serial data. allison transmission serial number lookup link