CATEngine Parts

209-6663 Travel Gearbox With Motor — Cat 3003 301

This travel gearbox with motor assembly is a complete drive unit for the undercarriage, enabling machine movement and precise maneuvering. It is engineered to meet rigorous OEM performance and durability specifications, offering reliable power transfer and longevity. Operators might observe a loss of drive power, unusual noises from the drive system, or complete immobility of the machine if this unit fails.

Travel Gearbox With Motor – Part No 209-6663 – 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 with Motor
MaterialSteel, Cast Iron, Copper windings
ApplicationUndercarriage Drive System
Service LifeReplace based on inspection or performance degradation
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing travel gearbox may include jerky movements, reduced travel speed, or a whining noise during operation. If ignored, the machine may lose all ability to move, or the gearbox could seize, potentially damaging other drivetrain components. This can lead to significant downtime and costly repairs.

Installation Tip

Thoroughly clean the mounting surfaces and ensure all old gasket material is removed to achieve a proper seal. Do not reuse old mounting hardware; use new bolts and washers as specified.

Service Note

Inspect the drive shaft, track chains, and sprockets for wear and proper tension when replacing the travel gearbox assembly.