8P7639 Planetary Gear Fits Caterpillar Industrial Construction Models

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One New Aftermarket Replacement Planetary Gear Fits Caterpillar (Fits CAT) D9G BulldozerThis aftermarket replacement planetary gear is Fits Caterpillar D9G bulldozer final drive as sembly. 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 drivetrain damage if not replaced promptly. This new aftermarket part Fits Caterpillar OEM part number 8P7639.Compatible ModelsFits Caterpillar Bulldozers: D9GReplaces Part Number(s):8P7639, FRA80-0040New aftermarket replacement part - not remanufactured, not used. Show more