CATEngine Parts

267-6799 Carrier Planetary — Cat 320D

This carrier planetary is a vital component within the final drive or differential system, responsible for transmitting torque to the wheels. Manufactured to meet Caterpillar's rigorous quality standards, it offers superior wear resistance and structural integrity over a worn component that can exhibit cracked teeth or bearing failure. Operators may observe a grinding noise, loss of drive, or excessive play in the drivetrain when this part is failing.

Carrier Planetary – Part No 267-6799 – 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 TypeCarrier Planetary
MaterialHardened Steel Alloy
ApplicationFinal Drive / Differential System
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of a failing carrier planetary is often a distinct grinding or whining noise during operation, especially when turning. If ignored, this can progress to a noticeable loss of power to the affected drive axle or wheel. Ultimately, a severely damaged planetary can lead to a complete loss of drive, immobilizing the equipment.

Installation Tip

Thoroughly clean the final drive housing and ensure all old sealant or gasket material is removed before installing the new carrier planetary. Be careful not to cross-thread any mounting bolts during assembly.

Service Note

Inspect all associated gears, bearings, and seals within the final drive or differential for wear and damage.