Now that you have the serial number in hand, several methods are available to access detailed information about your transmission.
Complete Bill of Materials (BOM) detailing every internal gear, clutch pack, and valve body calibration used. Why the Assembly Number (A/N) Matters Just as Much Allison Transmission Serial Number Lookup
Identifying your Allison transmission is the first and most critical step for maintenance, ordering replacement parts, or executing repairs. Allison Transmission does not use a single "one-size-fits-all" design, meaning two transmissions in identical truck models can have completely different internal components. Now that you have the serial number in
Taking a few minutes to clean off your transmission case, locate the ID tag, and record your saves hours of frustration down the road. Whether you are performing a routine fluid swap on an Allison 1000 in a pickup truck or ordering heavy internal gears for a vocational 4000 Series dump truck, the serial number is your definitive key to accurate parts, reliable service, and certified factory data. locate the ID tag