CATEngine Parts

200-3376 Hydraulic Main Pump — Cat 320C

This is a main hydraulic pump, the primary component responsible for generating the flow and pressure required for all hydraulic functions on the machine. It is built to meet rigorous quality standards, offering durability and consistent performance unlike a worn pump that may exhibit reduced flow or internal leakage. Operators might notice sluggish or unresponsive hydraulic controls, a lack of power, or unusual noises from the hydraulic system when this pump begins to fail.

Hydraulic Main Pump – Part No 200-3376 – 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 Main Pump
MaterialCast iron and steel alloys
ApplicationMain hydraulic system
Service LifeReplace as needed based on performance testing
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial symptoms of a failing hydraulic pump include a noticeable decrease in the speed and power of hydraulic functions. If ignored, the pump's performance will continue to degrade, leading to intermittent operation and potential overheating of the hydraulic fluid. Continued use with a severely worn pump can result in a complete loss of hydraulic power, rendering the equipment inoperable.

Installation Tip

Thoroughly flush the hydraulic system 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

Inspect the hydraulic tank, lines, and cylinders for any signs of wear or contamination, and replace the hydraulic filter.