Rexroth A10VD43 4272668 hydraulic pump for Hitachi EX60-2 EX60-3 mini excavator
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OEM 4272668 4291325 4330251 4330252 4350439 for Hitachi EX60-2 EX60-3 Mini Excavator
1. Product Description
The Rexroth A10VD43 (also known as Uchida Rexroth A10VD43) is a genuine OEM variable displacement axial piston main pump, with part numbers 4272668, 4291325, 4330251, 4330252, and 4350439. It is designed for Hitachi 6-ton compact excavators (EX60-2 / EX60-3).
Engineered for high power density, reliable load sensing control, and long service life, this pump is a direct replacement for the original unit, restoring the machine’s digging force, efficiency, and fuel economy.
2. Key Features & Technical Specifications
Model: A10VD43 (A10VD43SR1RS5-949-1)
OEM Part Numbers: 4272668, 4291325, 4330251, 4330252, 4350439
Pump Type: Variable displacement axial piston main pump (load sensing)
Displacement: 43 cm³/rev
Rated Pressure: 25 MPa (250 bar)
Max Working Pressure: 31.5 MPa (315 bar)
Rotation Direction: Clockwise (viewed from shaft end)
Control Method: DFR (load sensing + pressure cut-off)
Operating Temperature: -20℃ ~ 80℃
Net Weight: ~38 kg
Quality Standard: Genuine Rexroth / Uchida, OEM equivalent, CE certified
3. Compatibility Information
Direct bolt-on replacement, no modification required. Fits the following Hitachi mini excavator models:
Hitachi EX60-2
Hitachi EX60-3
Hitachi EX60LCK-3 / EX60LCT-3
4. Technical Instructions
Adopts DFR load sensing control, which adjusts flow and pressure automatically according to load to reduce fuel consumption and heat generation.
Hardened steel rotary group (piston, cylinder block, valve plate) for high wear resistance.
Use ISO VG46 hydraulic oil; clean the tank and lines thoroughly before installation.
Replace filters and oil every 500 hours; avoid continuous overload operation.
5. Why Choose Us
Over 10 years specializing in excavator hydraulic core parts.
Supply genuine Rexroth/Uchida and high-quality aftermarket pumps for major brands.
Large stock in Guangzhou warehouse, fast delivery.
All products include 1-year warranty against manufacturing defects.
Multiple shipping options: express 3–7 days, sea freight 30–45 days.
6. FAQ
Q: Is this pump identical to the original 4330251 / 4350439?
A: Yes, 1:1 OEM match in dimensions, ports, and performance; direct bolt-on replacement.
Q: Do you have this pump in stock?
A: Yes, regular stock available; can ship within 1–2 business days.
Q: Can you confirm compatibility with my machine?
A: Certainly—send your excavator model or original part number for free verification