CATEngine Parts

263-4997 Piston Pump Coupling Hub — Cat 3024C 216B3

This piston pump coupling hub is a vital component connecting the engine's drive shaft to the hydraulic piston pump, transmitting rotational power. It is engineered to precise specifications, ensuring balanced operation and durability, unlike a worn hub that may exhibit cracks or excessive play. Operators might experience unusual noise, vibration, or a loss of hydraulic function as the coupling begins to fail.

Piston Pump Coupling Hub – Part No 263-4997 – 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 TypeCoupling Hub
MaterialSteel alloy
ApplicationHydraulic pump drive system
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early indications of a failing coupling hub include abnormal clunking noises during engagement or operation, accompanied by increased vibration felt through the machine. If the issue progresses, intermittent loss of hydraulic power may occur, eventually leading to a complete inability to drive the hydraulic pump. Continued operation risks damage to both the engine crankshaft and the hydraulic pump shaft.

Installation Tip

Carefully align the hub splines with both the engine crankshaft and the hydraulic pump shaft to prevent damage during installation. Ensure the hub is fully seated before tightening any retaining fasteners.

Service Note

Inspect the engine crankshaft and the hydraulic pump input shaft for wear or damage, and check the condition of any associated mounting hardware.