Allison Transmission Serial Number Lookup !link! -

(metal nameplate) physically attached to the transmission housing. : Look on the passenger side

Older serial numbers often start with letters denoting the manufacturing plant or series architecture (e.g., prefixes starting with BK , DA , or 00 ). Allison Transmission Serial Number Lookup

Allison Transmission produces several model families (such as the 1000/2000, 3000, and 4000 series). However, simply knowing you have a "3000 Series" transmission is not enough. However, simply knowing you have a "3000 Series"

| Data Field | Why It Matters | |------------|----------------| | | Confirms torque converter type, gear ratios, PTO provisions | | Original build date | Determines warranty status and age-related service intervals | | OEM configuration | Which truck/equipment manufacturer (Freightliner, Navistar, Blue Bird, etc.) ordered it | | Valve body & control module | Critical for ordering correct electronics or recalibration kits | | Genuine parts diagram | Ensures you don’t buy the wrong filter, gasket, or solenoid | | Software version | Tells you if a TCM update is available | prefixes starting with BK

Confirm the exact fluid capacity and type (like TES 295 or TES 668) required for your model. How to Locate Your Allison Serial Number

(metal nameplate) physically attached to the transmission housing. : Look on the passenger side

Older serial numbers often start with letters denoting the manufacturing plant or series architecture (e.g., prefixes starting with BK , DA , or 00 ).

Allison Transmission produces several model families (such as the 1000/2000, 3000, and 4000 series). However, simply knowing you have a "3000 Series" transmission is not enough.

| Data Field | Why It Matters | |------------|----------------| | | Confirms torque converter type, gear ratios, PTO provisions | | Original build date | Determines warranty status and age-related service intervals | | OEM configuration | Which truck/equipment manufacturer (Freightliner, Navistar, Blue Bird, etc.) ordered it | | Valve body & control module | Critical for ordering correct electronics or recalibration kits | | Genuine parts diagram | Ensures you don’t buy the wrong filter, gasket, or solenoid | | Software version | Tells you if a TCM update is available |

Confirm the exact fluid capacity and type (like TES 295 or TES 668) required for your model. How to Locate Your Allison Serial Number