CATEngine Parts

1484733 Gear-Planet — Cat 320C 320D

This planet gear is a vital component within the final drive or transmission system, transmitting torque and rotational force through planetary gear sets. Manufactured to high standards, it ensures smooth and efficient power transfer, unlike a worn gear with chipped or rounded teeth that can cause grinding noises and power loss. Operators may experience increased noise, vibration, or a noticeable reduction in drive power when a planet gear begins to fail.

Gear-Planet – Part No 1484733 – 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 TypePlanet Gear
MaterialHardened Steel
ApplicationFinal Drive / Transmission
Service LifeReplace based on inspection during component overhaul, typically 5000-8000 hrs
CompatibilityOEM specification
ConditionNew — Aftermarket replacement

Failure Symptoms

The first noticeable symptom of a failing planet gear is often an increase in whining or grinding noises from the final drive or transmission. As wear progresses, this can lead to intermittent power loss or hesitation during operation. If left unaddressed, the gear teeth can break, causing severe internal damage to the entire drive system and potentially leading to a complete loss of mobility.

Installation Tip

Ensure all mating surfaces and gear teeth are thoroughly cleaned and lubricated with the correct type of gear oil before assembly. Avoid mixing old and new gears within the same planetary set, as this can lead to uneven wear.

Service Note

When replacing a planet gear, it is crucial to inspect the ring gear, sun gear, bearings, and seals for wear and replace as necessary.