VolvoHydraulic Parts

14639133 — Hydraulic Main Pump Voe14639133 K5V160Dt-158R-1E06-V For Volvo Excavator Ec300 Ec350 Ec300D Ec350D Ec350Db

This hydraulic main pump is the core component responsible for generating the high-pressure flow required to operate the excavator's functions. Manufactured to meet demanding OEM specifications, it ensures consistent performance and reliability, unlike a worn pump that exhibits reduced flow and pressure. Operators may experience sluggish or unresponsive hydraulic controls, such as slow boom, stick, or bucket movements, when this pump begins to fail.

Hydraulic Main Pump Voe14639133 K5V160Dt-158R-1E06-V For Volvo Excavator Ec300 Ec350 Ec300D Ec350D Ec350Db – Part No 14639133 – 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 TypeHydraulic Main Pump
MaterialHigh-strength steel alloy
ApplicationMain hydraulic system
Service LifeReplace based on performance degradation or hours (e.g., 5,000-10,000 hrs)
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a failing hydraulic main pump is a noticeable decrease in the speed and power of hydraulic functions. If ignored, this degradation will progress, leading to significantly reduced machine productivity and potential overheating of the hydraulic oil due to increased strain. Continued operation risks damage to other hydraulic components from inadequate lubrication and pressure.

Installation Tip

Ensure the hydraulic system is completely flushed and clean before installation to prevent contamination of the new pump. Avoid running the pump dry; prime it according to the manufacturer's instructions before initial startup.

Service Note

Replace the hydraulic filters and inspect the hydraulic oil cooler when installing a new main pump.