CATEngine Parts

1484632 Gear-Sun — Cat 320C 320D

This is a Sun Gear, a vital component within the planetary gear set of the final drive or transmission system, responsible for transmitting torque from the input shaft to other gears. It is manufactured to meet stringent OEM quality standards, offering superior strength and wear resistance compared to a worn sun gear with chipped teeth or excessive play. Operators might notice increased noise, vibration, or a loss of drive power when this gear begins to fail.

Gear-Sun – Part No 1484632 – 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 TypeSun Gear
MaterialHardened steel alloy
ApplicationPlanetary gear set (Final Drive/Transmission)
Service LifeReplace as part of overhaul or when worn
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

Initial symptoms may include whining or grinding noises during operation, especially under load, and noticeable vibration. If left unaddressed, the gear teeth can chip or break, leading to a loss of drive power and potential damage to other drivetrain components. The ultimate consequence is a complete loss of mobility for the equipment.

Installation Tip

Ensure all mating surfaces and gear teeth are thoroughly cleaned and lubricated with the appropriate gear oil before installation. Do not force the gear into place; it should seat smoothly if aligned correctly.

Service Note

Inspect planet gears, ring gear, bearings, and seals for wear when replacing the sun gear.