8P7639 Planetary Gear Fits Caterpillar Industrial Construction Models model-80.9A Core Height: 27-1/2"

Core Height: 27-1/2"

Fits Case / Fits Case IH Additional: 590L

SV540/SV541

320C (Serial: HBC00001-UP)

1-Groove Pulley

8P7639 Planetary Gear Fits Caterpillar Industrial Construction Models model-80.9A Core Height: 27-1/2"One New Aftermarket Replacement Planetary Gear Fits Caterpillar (Fits CAT) D9G Bulldozer This aftermarket replacement planetary gear is Fits Caterpillar D9G bulldozer final drive assembly. The planetary gear is a critical component of the final drive system, transmitting torque from the drive motor to the sprocket and tracks. Worn or damaged planetary gears in the final drive can cause loss of travel performance, uneven track movement, and further