CATEngine Parts

1107055 Gear-Ring — Cat 320C 320D

This ring gear is a vital component of the final drive or transmission system, transmitting torque to drive the machine's tracks or wheels. Manufactured to meet stringent Caterpillar specifications, it ensures precise gear meshing and efficient power transfer, unlike a worn gear with damaged teeth that can cause grinding noises and slippage. Operators may notice loud grinding noises, difficulty in moving the machine, or a complete loss of drive when this gear fails.

Gear-Ring – Part No 1107055 – 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 TypeRing Gear
MaterialHardened forged steel
ApplicationFinal drive or transmission
Service LifeReplace as part of drivetrain overhaul or upon failure
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

The first sign of a failing ring gear is often an audible increase in grinding or clunking noises during operation, especially under load. If ignored, the gear teeth can become severely worn or break, leading to a loss of power transmission and potentially locking up the drivetrain. The consequence of complete failure is an immobilized machine, requiring extensive drivetrain repair.

Installation Tip

Ensure all bearing surfaces that support the ring gear are meticulously cleaned and inspected for wear before installation. Proper alignment is critical; do not force the gear into position, as this can damage the teeth or mounting surfaces.

Service Note

When replacing a ring gear, it is essential to inspect and replace the corresponding pinion gear and all bearings within the final drive or transmission assembly.