Note that the link may be subject to change, and it's always best to verify the accuracy of the information with Allison Transmission or an authorized dealer or distributor.
Renny stood up, his knees popping. "Alright. This is the moment of truth." allison transmission serial number lookup link
An Allison serial number looks like this: or 6120801234 . Note that the link may be subject to
Connect a diagnostic scan tool (like Allison DOC) to the vehicle’s OBD/HD port to read the serial number electronically from the Transmission Control Module (TCM). This is the moment of truth
Once on this page, look for the or "Allison Data" portal. However, please note a critical detail:
| You want to... | Use this link/method | | :--- | :--- | | | hub.allisontransmission.com (Requires login) | | Check warranty status | Warranty Check Tool | | Find the serial number | Check left side housing data plate or TCM | | Buy parts | Online Parts Catalog | | Call support | 1-800-252-5283 (Have serial ready) |