VolvoHydraulic Parts

FPCY2504045 — Nachi Pvd-2B-50P-16G6-4928G Hydraulic Main Gear Pump For Volvo Excavator Ec55B

This Nachi PVD-2B-50P-16G6-4928G hydraulic main gear pump is the heart of the excavator's hydraulic system, generating the high-pressure flow required for all operational movements. Manufactured to stringent quality standards, it ensures consistent performance and durability compared to worn pumps that lose efficiency. Operators may notice a significant loss of power, slow or unresponsive boom, stick, and bucket functions, or a whining noise from the pump if it is failing.

Nachi Pvd-2B-50P-16G6-4928G Hydraulic Main Gear Pump For Volvo Excavator Ec55B – Part No FPCY2504045 – 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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Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

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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 Gear Pump
MaterialHardened Steel Alloy
ApplicationMain Hydraulic System
Service LifeReplace every 3,000-5,000 hrs or as needed
CompatibilityNachi PVD-2B-50P-16G6-4928G
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing hydraulic pump will first manifest as a noticeable decrease in the speed and power of all hydraulic functions. If left unaddressed, the machine may become sluggish and struggle to lift loads or move, eventually leading to a complete loss of hydraulic power. This can immobilize the equipment and prevent any further operation.

Installation Tip

Thoroughly flush the hydraulic system and replace the main hydraulic filter before installing the new pump to remove any residual contaminants. Ensure the pump shaft is properly aligned with the drive coupling to prevent premature wear on the shaft or coupling.

Service Note

Always replace the main hydraulic filter and inspect the hydraulic fluid for contamination when replacing the hydraulic pump.