CATEngine Parts

5i7674 Gear — Cat 311 311B

This gear is a precision-machined component designed to transmit rotational force within a mechanical system, such as the transmission or final drive. Manufactured to meet strict quality standards, it provides reliable engagement and durability compared to a worn or chipped gear. Operators may notice increased noise, vibration, or a loss of power transmission when this gear begins to fail.

Gear – Part No 5i7674 – 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 TypeDrive Gear
MaterialHardened Steel
ApplicationTransmission or Drivetrain
Service LifeReplace as needed based on wear
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

The initial symptom of a failing gear is often an audible change, such as whining, grinding, or clunking noises during operation. If ignored, the gear teeth can wear down or break, leading to a loss of power or complete failure of the drivetrain component. Continued operation risks further damage to adjacent gears and bearings.

Installation Tip

Ensure the mating gear surfaces are clean and free of debris before installation to guarantee proper meshing. Avoid forcing the gear into place; it should slide on smoothly if correctly aligned.

Service Note

Inspect all bearings and seals within the gearbox or drivetrain component when replacing a gear.