CATEngine Parts

261-1544 Crankshaft — Cat 330D 336D

This is a CAT Crankshaft, a critical rotating component within the engine that converts reciprocating piston motion into rotational force. It is manufactured to meet stringent OEM quality standards, ensuring superior durability and performance compared to worn or damaged crankshafts. Symptoms of a failing crankshaft include persistent engine knocking sounds, loss of engine power, and visible oil leaks around the main bearing seals.

Crankshaft – Part No 261-1544 – 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
MaterialForged steel
ApplicationEngine internal rotating assembly
Service LifeReplace based on inspection or failure
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A persistent, deep knocking sound from the engine is often the first indication of crankshaft issues. If ignored, this can lead to increased vibration and a gradual loss of engine power. Continued operation with a compromised crankshaft risks severe internal engine damage.

Installation Tip

Ensure the crankshaft is meticulously cleaned and free of any debris before installation, as even microscopic particles can cause premature wear. 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 installing a new crankshaft.