CATEngine Parts

224-4430-10r-6686 Hydraulic Piston Pump — Cat

This engine component is a high-pressure piston pump, essential for delivering hydraulic fluid to various systems within the articulated truck. It is built to stringent OEM specifications, offering robust performance and durability over a worn or failing pump. Operators might observe a loss of hydraulic power, slow or unresponsive steering, or issues with implement operation when this pump is defective.

Hydraulic Piston Pump – Part No 224-4430-10r-6686 – 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 TypeHydraulic Piston Pump
MaterialSteel and Cast Iron
ApplicationMain hydraulic system
Service LifeReplace as needed based on performance
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing hydraulic piston pump typically manifests as a gradual loss of hydraulic system pressure and performance. This can lead to sluggish steering, slow or non-functional bucket/dump body operation, and overall reduced machine responsiveness. Continued operation with a weak pump risks damage to other hydraulic components due to inadequate flow and pressure.

Installation Tip

Before installation, ensure the pump drive shaft is properly aligned with the engine or transmission coupling to prevent premature wear. Never run the pump dry; prime it with clean hydraulic fluid before initial startup.

Service Note

Replace the hydraulic filter and inspect the hydraulic fluid for contamination when servicing or replacing the main hydraulic piston pump.