Idler Group Fits Caterpillar D9T D9R 1254655 model-281 Verify your tractor serial number

Verify your tractor serial number before ordering -- this line fits all units with serial numbers below JJF1034499 only

TO30 (all with Continental Z120 or Z129 gasoline engine)

and GMD600HD (Serial Number B0001>)

Inside Diameter:

Part # AM20050

Idler Group Fits Caterpillar D9T D9R 1254655 model-281 Verify your tractor serial numberOne New Aftermarket Replacement Track Idler Group for Caterpillar (Cat) D9 Series Track Type Tractors This aftermarket replacement track idler group fits Caterpillar (Cat) D9N, D9R, and D9T track type tractors (bulldozers). The front idler assembly is a critical undercarriage component that guides and maintains tension in the track chain, supporting the machine's weight and controlling track slack. The idler group assembly consists of the idler shell,