CATEngine Parts

6e-4386 Pump Gp Gear — Cat 3406

This is a gear pump assembly designed to circulate hydraulic fluid or lubricating oil within the equipment's systems. Manufactured to meet rigorous quality standards, it provides consistent flow and pressure, unlike a worn pump that exhibits reduced output. Operators might observe slow hydraulic functions, low oil pressure warnings, or audible whining noises from the pump area when it is failing.

Pump Gp Gear – Part No 6e-4386 – 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 TypeGear Pump Assembly
MaterialCast iron, steel
ApplicationHydraulic or lubrication system
Service LifeReplace as needed based on performance diagnostics
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early indications of a failing gear pump include a gradual decrease in the speed of hydraulic functions and audible whining sounds. If left unaddressed, the pump's output will diminish further, potentially leading to overheating of the hydraulic fluid and system malfunction. Continued operation risks severe damage to the pump and other hydraulic components due to inadequate lubrication or pressure.

Installation Tip

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

Service Note

Inspect the hydraulic fluid and filter for signs of contamination or wear debris, and replace them if necessary.