CATEngine Parts

099-3791-0993791 Gear Ring 099 3791 — Cat 3116 E200B

This gear ring is a crucial component in the power transmission system, designed to mesh with other gears to transmit torque and motion. It is precision-machined from hardened steel to withstand high loads and wear, offering superior durability compared to a worn or chipped gear. Failure symptoms typically include grinding noises during operation, jerky power delivery, or a complete loss of power transmission.

Gear Ring 099 3791 – Part No 099-3791-0993791 – 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 TypeGear Ring
MaterialHardened steel
ApplicationTransmission or final drive
Service LifeReplace as needed based on inspection
CompatibilityCAT Engine 3116, Excavator E200B
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a failing gear ring is often an audible grinding or whining noise during operation, especially under load. This can progress to rough or intermittent power delivery as teeth become more worn or damaged. If left unaddressed, the gear ring can break, leading to a complete loss of power transmission and potential damage to other drivetrain components.

Installation Tip

Ensure proper lubrication of the gear teeth before assembly to prevent initial wear. Verify correct meshing with the mating gear to avoid binding or premature failure.

Service Note

Always replace the mating gear if it shows any signs of wear or damage when installing a new gear ring.