CATEngine Parts

162-0770 Piston Pump — Cat 3306

This is a high-performance piston pump, essential for generating hydraulic power within the machine's primary hydraulic system. It converts mechanical energy into hydraulic flow and pressure, differing from a worn unit by delivering consistent, full-rated output. Operators may observe sluggish hydraulic functions, a lack of lifting power, or erratic boom/bucket movements when this pump begins to fail.

Piston Pump – Part No 162-0770 – 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, aluminum alloy
ApplicationMain hydraulic system
Service LifeReplace based on performance or 5,000-10,000 hours
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early indications of a failing piston pump include a noticeable slowdown in hydraulic system response and reduced lifting capacity. If ignored, hydraulic functions may become intermittent or cease altogether, leading to a loss of operational control. The ultimate consequence is the inability to perform essential work tasks, potentially stranding the equipment.

Installation Tip

Thoroughly flush the hydraulic system and clean the hydraulic tank before installing a new pump to remove any debris. Ensure the pump shaft is properly aligned with the drive coupling to prevent premature wear.

Service Note

Inspect the hydraulic oil level and condition, and replace the hydraulic filter(s) when installing a new piston pump.