CATEngine Parts

2715658 Crankshaft W/Gear — Cat 120H 120H es

This crankshaft with gear is a critical component of the engine's rotating assembly, converting linear piston motion into rotational force. It is manufactured to meet stringent OEM standards, ensuring superior durability and performance compared to worn or damaged crankshafts. Symptoms of a failing crankshaft include persistent knocking sounds from the engine, a significant drop in oil pressure, and visible oil leaks around the main bearing seals.

Crankshaft W/Gear – Part No 2715658 – 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 Assembly
MaterialForged steel
ApplicationEngine rotating assembly
Service LifeReplace based on inspection and wear
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A persistent, deep knocking sound from the engine is often the first sign of crankshaft distress. If ignored, this can lead to increased vibration, loss of power, and potential bearing failure. Continued operation risks severe internal engine damage and costly repairs.

Installation Tip

Ensure the crankshaft is properly balanced before installation; unbalanced rotating assemblies can cause excessive vibration. Avoid overtightening main bearing cap bolts, as this can distort the crankshaft journals.

Service Note

Always inspect and replace main and connecting rod bearings when servicing the crankshaft.