The 9G8638 Gear Planetary is a critical component designed for Caterpillar bulldozers, specifically models D6H, D6R, and D6T. This planetary gear features 40 teeth and plays a vital role in the final drive system, ensuring efficient power transmission and optimal performance of your heavy machinery. Manufactured to meet stringent quality standards, the 9G8638 gear offers durability and reliability under demanding operational conditions. Its precise engineering guarantees seamless integration with your equipment, minimizing downtime and maintenance costs.