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Rexroth A4VG71 Series Pump | A4VG71DA2D2, A4VG71DA1D4 | 400 Bar Closed Circuit Pump
| Model Number | A4VG71 |
|---|
Product Description
Rexroth A4VG71 Series Closed Circuit Axial Piston Variable Pump
Product Overview: The Rexroth A4VG71 series is a high-performance swashplate-type axial piston variable pump engineered specifically for Closed Circuit hydrostatic transmissions. As a premier mid-to-heavy duty model (71cc) within the A4VG family, it is renowned for its exceptional power density and intelligent controllability. Integrated with a charge pump and advanced DA Automatic Drive Control, this series automatically modulates displacement based on engine speed, providing smooth and highly efficient traction control for mobile machinery.
Key Technical Advantages:
Intelligent DA Automatic Drive Control: Models A4VG71DA2D2 and A4VG71DA1D4 utilize the DA control option. This speed-related regulation senses engine RPM to optimize pump output, delivering an automotive-style driving experience for start-up, acceleration, and slope operations.
Heavy-Duty Closed-Loop Performance: Built for grueling load cycles, it supports a rated pressure of 400 Bar (40 MPa) and peak cycles up to 450 Bar. Reinforced rotating groups and precision valve plates maintain peak volumetric efficiency under continuous heavy-duty loads.
Fully Integrated Closed-Loop Solution: Features a fully integrated charge pump and built-in relief valves (boost and high-pressure), drastically simplifying piping for closed-loop systems and reducing potential leak points and heat generation.
Robust Thru-Drive Capability (F071/F021): Equipped with superior thru-drive functionality (F071 or F021 specs), supporting tandem mounting of secondary pumps (such as gear pumps or additional A4V units) to streamline multi-circuit power distribution.
Detailed Models & Technical Parameters:
Core Models: A4VG71 (Series 31/32).
Detailed Config Codes: A4VG71DA2D2/32R-NSF02F071DC-S, A4VG71DA1D4/31R-NZF02F021D.
Displacement: 71 cm³/rev (71cc).
Pressure Ratings: Rated at 400 Bar (5800 PSI); Peak cycles up to 450 Bar (6500 PSI).
Control Methods: DA (Automatic Drive Control / Speed-related regulation).
Company Profile
We adhere to international quality management standards and provide a 1-year warranty including maintenance and replacement. We have established long-term strategic cooperation with many well-known brands and continuously launch new products to meet market development. Flexible payment terms are supported, including USD settlement, Alipay, Western Union and T/T.
Relying on our standardized production base and professional foreign trade team, we provide competitive factory direct prices, efficient logistics channels and punctual delivery. FJZY Hydraulic is devoted to being your trustworthy long-term partner in hydraulic and agricultural machinery fields.
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Quality first is our principle. We provide a one-year warranty service, ensuring you receive top-tier quality products with confidence.
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