VolvoHydraulic Parts

14641331 — K3V140Dt Main Hydraulic Pump Voe14641331 Voe14575661 For Volvo Excavator Ec290B

This is a K3V140Dt main hydraulic pump, serving as the primary source of hydraulic power for the excavator's operational functions. It is built to precise OEM standards, delivering consistent high-pressure flow required for demanding tasks, unlike a worn pump that may suffer from reduced efficiency and internal leakage. Operators will typically observe a noticeable loss of power, slower boom, stick, and bucket movements, or a general sluggishness in the machine's response when this pump is failing.

K3V140Dt Main Hydraulic Pump Voe14641331 Voe14575661 For Volvo Excavator Ec290B – Part No 14641331 – Volvo Spare Part
Part Specifications
BrandVolvo
CategoryHydraulic 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

Flush hydraulic lines before fitting new components. Use only manufacturer-specified hydraulic fluid. Check O-rings and backup rings for correct orientation. Bleed air from system after installation.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeMain Hydraulic Pump
MaterialHigh-strength steel alloy
ApplicationMain Hydraulic System
Service LifeReplace based on performance or 5,000-8,000 hrs
CompatibilityVolvo specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing main hydraulic pump may initially present as a slight hesitation or reduced speed in hydraulic functions. As the wear progresses, cycle times will become significantly longer, and the machine may struggle to lift heavy loads or perform digging operations effectively. Continued operation risks overheating the hydraulic fluid and potentially damaging other expensive hydraulic components.

Installation Tip

Ensure the pump's drive shaft is correctly aligned with the engine or drive coupling to prevent premature wear or damage. Do not use excessive force when seating the pump; it should slide into place smoothly.

Service Note

Always replace the hydraulic system filter when changing the main hydraulic pump and inspect the hydraulic oil for signs of contamination.