CATEngine Parts

224-6369 Hydraulic Pump — Cat 420D 430D

This is a Caterpillar 224-6369 hydraulic pump, the heart of the machine's hydraulic system, responsible for generating the flow and pressure needed for all hydraulic functions. Manufactured to meet stringent OEM quality standards, it ensures reliable power delivery and longevity, unlike worn pumps that lose efficiency. Operators may notice a loss of power in hydraulic functions, slow or jerky movements, and potentially whining noises from the pump when this component is failing.

Hydraulic Pump – Part No 224-6369 – 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 LifeReplace as needed based on performance degradation
CompatibilityCAT 420D, 430D, 432D, 442D Backhoe Loaders
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early indicators of a failing hydraulic pump include a gradual decrease in the speed and force of hydraulic functions. If ignored, this can progress to jerky or erratic implement movements and a significant loss of overall machine power. Continued operation with a worn pump risks damage to other hydraulic components due to increased heat and potential internal bypass.

Installation Tip

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

Service Note

Replace the hydraulic filter(s) and inspect hydraulic fluid condition when installing a new hydraulic pump.