CATTransmission Parts

507-6561 Travel Gearbox With Motor — Cat 318E 320

This travel gearbox with motor is a self-contained unit responsible for driving the excavator's tracks, providing the necessary torque and speed for movement. Manufactured to meet exacting OEM standards, it ensures reliable and efficient track operation, outperforming worn or failing gearboxes. Operators may observe slow or jerky track movement, inability to hold position on inclines, or complete loss of track drive when this component fails.

Travel Gearbox With Motor – Part No 507-6561 – 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
MaterialHardened steel gears and aluminum housing
ApplicationTrack drive system
Service LifeReplace as needed based on inspection and performance
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Symptoms of a failing travel gearbox include slow or erratic track speed, a noticeable increase in noise during travel, and the inability to hold the machine on a slope. If left unaddressed, the gearbox can seize, leading to a loss of mobility and potential damage to the track system and surrounding components.

Installation Tip

Before mounting, ensure the drive shaft splines are clean and lightly lubricated to prevent binding. Do not force the gearbox onto the drive shaft; it should slide into place smoothly.

Service Note

Inspect the hydraulic drive motor and the track components, including sprockets and idlers, for wear or damage when replacing the travel gearbox.