Nachi PVD-1B-32 4699382 4699383 hydraulic pump for Hitachi ZX30U-3 ZX33U-3 ZX35B ZX35U-3 ZX38U-3 mini excavator





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4699382 4699383 for Hitachi ZX30U-3 ZX33U-3 ZX35B ZX35U-3 ZX38U-3 Mini Excavator
1. Product Description
The Nachi PVD-1B-32 is a high-performance axial piston main pump, OEM part numbers 4699382 / 4699383, designed as a direct replacement for Hitachi 3–3.8 ton mini excavators. It features stable pressure output, low internal leakage, and robust durability, perfectly restoring original hydraulic power for construction, municipal, and farm applications.
2. Key Features & Technical Specifications
Model: PVD-1B-32
OEM Part Number: 4699382, 4699383
Pump Type: Variable displacement axial piston main pump
Displacement: 32 cm³/rev
Rated Pressure: 21 MPa (210 bar)
Max Pressure: 24 MPa (240 bar)
Speed Range: 1500–2200 rpm
Operating Temperature: -10℃ ~ 80℃
Net Weight: ~25 kg
Certification: CE certified, meets OEM quality standards
Highlights: Hardened internal components, anti-leakage seals, plug-and-play installation
3. Compatibility Information
100% direct fit, no modification required for the following Hitachi mini excavator models:
ZX30U-3
ZX33U-3
ZX35B
ZX35U-3
ZX38U-3
4. Technical Instructions
Swash plate variable design: Adjusts flow automatically with load for energy efficiency and fuel savings.
Precision hardened parts: Resist wear and cavitation for longer service life.
Hydraulic oil: Use ISO VG46 anti-wear hydraulic oil; clean lines/tank before installation.
Maintenance: Replace filter every 2000 hours; avoid prolonged overloads.
5. Why Choose Us
10+ years experience: Specializing in excavator hydraulic core parts since 2013.
Genuine & aftermarket: Supply genuine Nachi and high-quality aftermarket pumps for Hitachi, Komatsu, etc.
Global reach: Belparts brand exported to 150+ countries.
Guangzhou warehouse: Large inventory, fast shipping (in stock now).
1-year warranty: Free replacement for manufacturing defects.
Flexible logistics: Air/Express 3–7 days, Sea freight 30–45 days.
6. FAQ
Q: Does this pump replace OEM 4699382 / 4699383 directly?A: Yes, 1:1 match, plug-and-play without modifications.
Q: What is the warranty period?A: 12 months warranty for non-human quality issues.
Q: Can you confirm compatibility with my machine?A: Certainly, provide your excavator model or OEM number for free verification.