CATEngine Parts

191-8924 Coupling Group Pump — Cat 3054 3054C

This coupling group pump connects the engine to the hydraulic pump, transmitting rotational power to drive hydraulic functions. It is constructed from high-strength materials to withstand significant torque and operational stresses, unlike a worn or damaged coupling. Operators might observe excessive vibration, unusual noises from the drivetrain, or a complete loss of hydraulic power when this component fails.

Coupling Group Pump – Part No 191-8924 – 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 Group Pump
MaterialSteel Alloy
ApplicationEngine to Hydraulic Pump Drive
Service LifeReplace based on inspection for wear or damage
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early indications of failure include noticeable vibration or a rattling noise during engine operation. If left unaddressed, the coupling can degrade further, leading to intermittent loss of hydraulic function or severe drivetrain damage. Complete failure will result in an immediate and total loss of hydraulic power, halting equipment operation.

Installation Tip

Ensure the engine and hydraulic pump shafts are perfectly aligned before attempting to install the coupling to prevent premature wear. Do not force the coupling onto the shafts; it should slide into place with moderate pressure.

Service Note

Inspect the engine crankshaft seal and the hydraulic pump shaft seal for leaks or damage when replacing this coupling group.