CATEngine Parts

187-9090 Hydraulic Axial Piston Pump — Cat C15

This hydraulic axial piston pump is a high-pressure component responsible for generating the flow of hydraulic fluid required to operate the machine's functions. It is built to precise tolerances and durable materials, ensuring consistent output and longevity, unlike worn pumps that lose efficiency and can cause sluggish operation. Operators may observe slow or erratic movement of hydraulic cylinders, loss of lifting capacity, or increased system noise when this pump begins to fail.

Hydraulic Axial Piston Pump – Part No 187-9090 – 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 Axial Piston Pump
MaterialHardened Steel, Aluminum Alloy
ApplicationMain Hydraulic System
Service LifeReplace as needed based on performance
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of a failing hydraulic pump is often a noticeable decrease in the speed and power of hydraulic functions. If the issue progresses, the machine may exhibit jerky or unpredictable movements, and the hydraulic system may overheat. Continued operation risks significant damage to other hydraulic components due to insufficient flow or pressure, potentially leading to a complete loss of machine control.

Installation Tip

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

Service Note

Inspect and replace the hydraulic system filters and check the hydraulic fluid level and condition when replacing the hydraulic pump.