CATTransmission Parts

378-9568 Travel Gearbox With Motor — Cat 329D

This travel gearbox with motor is a critical component of the undercarriage drive system, responsible for transmitting power from the engine to the tracks for machine movement. It is manufactured to meet stringent OEM quality standards, ensuring durability and performance comparable to the original unit, unlike a worn gearbox that may exhibit grinding noises or reduced power. Operators may notice a loss of track drive power, jerky or unpredictable movement, or a complete inability to propel the machine when this component fails.

Travel Gearbox With Motor – Part No 378-9568 – CAT Spare Part
Part Specifications
BrandCAT
CategoryTransmission Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

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Installation & Application Notes

Drain and replace transmission fluid when servicing internal components. Use correct ATF specification. Pre-fill torque converters with fluid before installation. Allow 10 minutes for fluid to settle before checking level.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeTravel Gearbox with Motor
MaterialSteel alloy, cast iron
ApplicationUndercarriage drive system
Service LifeReplace as needed based on inspection and performance
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of failure may include whining or grinding noises during operation. If ignored, the gearbox can develop leaks, leading to a gradual loss of drive power and increased heat. Continued operation with a failing gearbox risks damage to associated drivetrain components and immobilization of the equipment.

Installation Tip

Thoroughly clean the mounting surfaces and ensure all sealing areas are free of debris before installation. Avoid overtightening mounting bolts, as this can distort the housing and lead to premature seal failure.

Service Note

Inspect the hydraulic drive motor, planetary gears, and track drive sprockets for wear during replacement.