CATEngine Parts

163-9757 Travel Gearbox With Motor — Cat 3013 303

This is a complete travel gearbox assembly with an integrated motor, designed to provide rotational power to the undercarriage for machine movement. It is engineered to meet stringent OEM standards for durability and performance, ensuring smooth and precise operation unlike a worn unit which may exhibit jerky movements or reduced torque. Operators may notice a loss of power during inclines, slow or unresponsive track movement, or unusual grinding noises emanating from the drive system when this component fails.

Travel Gearbox With Motor – Part No 163-9757 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine 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

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

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 Assembly with Motor
MaterialSteel, Cast Iron, Aluminum
ApplicationUndercarriage Drive System
Service LifeReplace based on inspection and performance metrics
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing travel gearbox is often a noticeable decrease in tractive effort or slow response to directional commands. If ignored, the gearbox may begin to slip, overheat, or produce loud grinding noises, leading to intermittent or complete loss of drive. Continued operation with a compromised gearbox risks damage to the drive motor, sprockets, and tracks, necessitating more extensive repairs.

Installation Tip

Before installing, ensure the mounting surfaces are clean and free of debris to guarantee a proper seal. Avoid overtightening mounting bolts, as this can distort the housing and lead to leaks or premature wear.

Service Note

Inspect the drive motor, hydraulic lines, and final drive sprockets for wear or damage during replacement.