CATTransmission Parts

9388b Final Drive Group 452 — Cat 306E2 305

This is a complete final drive group assembly, designed to provide the necessary torque and speed for the machine's track or wheel movement. It is manufactured to meet stringent OEM quality standards, ensuring durability and performance comparable to the original component, unlike a worn unit which may exhibit grinding or reduced torque. Operators may notice a loss of drive power, jerky movement, or excessive noise during operation when this component begins to fail.

Final Drive Group 452 – Part No 9388b – 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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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 TypeFinal Drive Group
MaterialSteel, Cast Iron, and various alloys
ApplicationMachine travel 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 travel, or a noticeable reduction in drive speed. If left unaddressed, the final drive can seize, leading to a complete loss of mobility and potential damage to the gearbox. Continued operation with a failing final drive risks immobilizing the machine in an unsafe location.

Installation Tip

Ensure the mounting surfaces are clean and free of debris before installation to prevent leaks and ensure proper seating. Avoid overtightening mounting bolts, as this can strip threads or warp the housing.

Service Note

Inspect hydraulic fluid for metal particles and replace hydraulic filters when servicing the final drive group.