CATEngine Parts

199-4649 Travel Gearbox With Motor — Cat 320C

This complete travel gearbox assembly, including the motor, is a crucial component of your CAT excavator's undercarriage drive system, enabling precise and powerful movement. It is engineered to meet the demanding performance requirements of heavy-duty applications, offering superior durability compared to worn units that exhibit grinding or slow response. Operators will typically observe a loss of power to the tracks, erratic movement, or complete immobility of the machine when this assembly fails.

Travel Gearbox With Motor – Part No 199-4649 – 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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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, electronic components
ApplicationUndercarriage drive system
Service LifeReplace as needed based on inspection and performance
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The primary symptom of a failing travel gearbox is a noticeable loss of power to one or both tracks, often accompanied by grinding or whining noises during operation. If left unaddressed, this can progress to jerky or erratic track movement, and eventually, the inability to propel the machine, immobilizing it on site.

Installation Tip

Thoroughly flush the hydraulic system and replace the hydraulic fluid and filter before installing the new travel gearbox to prevent contamination. Ensure the mounting bolts are correctly torqued to prevent leaks and ensure secure attachment.

Service Note

Inspect the drive sprockets, track chains, and hydraulic lines for wear or damage when replacing the travel gearbox assembly.