CATEngine Parts

4N7692 Crankshaft W/Gear- Forged — Cat 120G 130G

This forged crankshaft with an integrated gear is a fundamental component of the engine's rotating assembly, converting linear piston motion into rotational force. It is precision-engineered to meet high-strength requirements, offering greater resilience than a worn or cracked crankshaft. Operators might observe rough engine idling, loss of power, or knocking sounds from the engine block when this critical part begins to fail.

Crankshaft W/Gear- Forged – Part No 4N7692 – 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 TypeCrankshaft with Gear
MaterialForged Steel
ApplicationEngine Crankshaft Assembly
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early indicators of crankshaft failure can include subtle vibrations at idle or a slight decrease in engine smoothness. As the problem progresses, these vibrations will intensify, potentially accompanied by audible knocking sounds and a noticeable loss of engine power. A severely damaged crankshaft can lead to catastrophic engine internal damage.

Installation Tip

Ensure all crankshaft bearing surfaces and oil passages are meticulously cleaned and properly lubricated before installation. Avoid using excessive force when seating the crankshaft, as this can cause misalignment or damage.

Service Note

Replace engine bearings, seals, and inspect connecting rod assemblies when installing a new crankshaft.