CATEngine Parts

295-9547 Rotating Piston Pump — Cat 349D 365C

This is a high-performance rotating piston pump, a core component of the hydraulic system responsible for generating flow and pressure. It converts mechanical energy into hydraulic energy, powering the machine's functions like boom, stick, and bucket movement. A worn or failed pump will result in a noticeable loss of hydraulic power, slow or erratic machine functions, and potentially overheating of the hydraulic system.

Rotating Piston Pump – Part No 295-9547 – 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
MaterialHardened steel and aluminum alloy
ApplicationMain hydraulic system
Service LifeReplace based on performance degradation or failure
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a failing rotating piston pump is a gradual loss of hydraulic power, making machine functions sluggish and weak. As the failure progresses, the pump may start to make unusual noises, and the hydraulic system may overheat due to internal leakage. The worst-case consequence is a complete loss of hydraulic function, rendering the equipment inoperable and potentially causing damage to other hydraulic components.

Installation Tip

Ensure the hydraulic system is completely flushed and clean before installing the new pump to prevent contamination. Never run the new pump dry; prime it with clean hydraulic fluid before initial startup.

Service Note

When replacing the hydraulic piston pump, it is crucial to replace the hydraulic fluid and all associated filters, and inspect the hydraulic tank for debris.