Nachi PVK-2B-505-CN 4615640 4617487 hydraulic pump for Hitachi ZX40U-2 ZX40U-3 ZX48U-3 ZX50U-2 ZX50U-3 ZX52U-3 mini excavator
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4615640 4617487 for Hitachi ZX40U-2 ZX40U-3 ZX48U-3 ZX50U-2 ZX50U-3 ZX52U-3 Mini Excavator
1. Product Description
This Nachi PVK-2B-505-CN hydraulic pump is a premium variable displacement axial piston pump, serving as a direct OEM replacement with part numbers 4615640 and 4617487. It is specially manufactured for Hitachi mini excavators, featuring stable hydraulic output, ultra-low internal leakage and strong structural durability. Perfect for heavy-duty construction, landscaping and engineering working conditions, it restores your machine’s original hydraulic performance perfectly.
2. Key Features & Technical Specifications
Model: PVK-2B-505-CN
OEM Part Number: 4615640, 4617487
Pump Type: Variable displacement axial piston main pump
Displacement: 50.5 cm³/rev
Rated Working Pressure: 30 MPa
Maximum Pressure: 33.5 MPa
Operating Temperature Range: -10℃ ~ 80℃
Net Weight: 32 kg
Standard: CE certified, fully meets OEM manufacturing standard
Highlights: Wear-resistant internal structure, integrated anti-leakage seal, easy direct installation
3. Compatibility Information
100% direct fit, no modification required for the following Hitachi mini excavator models:
ZX40U-2
ZX40U-3
ZX48U-3
ZX50U-2
ZX50U-3
ZX52U-3
4. Technical Instructions
Adopts swash plate variable displacement design, automatically adjusts flow according to load to save fuel and improve working efficiency
Hardened precision internal parts effectively resist wear and cavitation, extending overall service life
Matches ISO VG46 standard hydraulic oil; clean pipeline and fuel tank thoroughly before installation
Replace hydraulic oil and filter regularly every 2000 working hours to keep the pump in optimal condition
5. Why Choose Us
Over 10 years of industry experience, founded in 2013, focused on excavator hydraulic core parts supply
Provide both genuine original and high-quality aftermarket parts, compatible with Hitachi, Komatsu, Doosan, Volvo, Hyundai and other mainstream brands
Independent brand Belparts, products exported to more than 150 countries and regions worldwide
Physical store and large inventory warehouse in Guangzhou, sufficient stock and fast delivery
All products support 1-year warranty, free replacement for quality manufacturing defects
Multiple shipping methods available: Air & express delivery 3–7 days, sea freight 30–45 days
6. FAQ
Q: Can this pump replace OEM 4615640 4617487 directly?A: Yes, 1:1 full matching, plug and play without any modification.
Q: How long is your warranty policy?A: We offer 12-month warranty, free replacement for non-artificial quality problems.
Q: Do you have goods in stock and how about delivery time?A: Goods are in stock at Guangzhou warehouse. Air express takes 3–7 days, sea freight takes 30–45 days.
Q: Can you help check compatibility with my excavator?A: Certainly, just provide your excavator model or original part number, we offer free compatibility confirmation.