CATEngine Parts

269-9336 Hydraulic Pump — Cat 450E

This is a high-pressure hydraulic pump that generates the flow of hydraulic fluid required to operate various machine functions, such as boom, stick, and bucket movements. Built with precision components, it ensures consistent and reliable hydraulic power delivery, unlike a worn pump with internal leakage that causes sluggish operation. Operators will notice slow or erratic hydraulic functions, a loss of lifting capacity, or whining noises from the hydraulic system when this pump begins to fail.

Hydraulic Pump – Part No 269-9336 – 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 Pump
MaterialHardened steel and cast iron
ApplicationMain hydraulic system
Service LifeTypically lasts 5,000-10,000 hours depending on application
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptoms of a failing hydraulic pump include sluggish or erratic operation of hydraulic functions and a noticeable decrease in lifting or digging power. If ignored, internal leakage within the pump will worsen, leading to a complete loss of hydraulic pressure and system functionality. This can render the equipment inoperable and pose a safety risk.

Installation Tip

Thoroughly flush the hydraulic system with clean fluid and replace the hydraulic filter before installing the new pump to prevent contamination. Ensure the pump shaft is properly aligned with the drive coupling to avoid premature wear.

Service Note

Always replace the main hydraulic filter and inspect the hydraulic fluid reservoir for contamination when replacing the hydraulic pump.