: Often found on the left side of the operator's cab or cowl.
Whether you're performing routine maintenance or sourcing a replacement part, your Allison Transmission serial number Allison Transmission Serial Number Lookup
: It is most commonly located on the passenger side (right side) of the transmission. Some models may have it on the lower rear face of the rear housing. : Often found on the left side of the operator's cab or cowl
The is not just a boring administrative task; it is the first step in every successful repair, every accurate parts order, and every safe used vehicle purchase. every accurate parts order
Indicates the ratio coverage (0–3 for close ratio, 4–6 for wide ratio).
The number is used to track "unit history," including original build data, configuration specs, and past warranty claims. Online Lookup and Service Tools