Rexroth A4VG71 Hydraulic Piston Pump | A4VG71DA1D7/32R-NZF02F041SH
Rexroth A4VG71 Hydraulic Piston Pump | A4VG71DA1D7/32R-NZF02F041SH
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Premium Bosch Rexroth A4VG71 series variable displacement axial piston pump with DA (Speed-Related Hydraulic Control) for closed-circuit hydrostatic drives. Precision-engineered to deliver high power density, steady operating pressure, and reliable power transmission in demanding mobile equipment hydrostatic travel and drive systems.
Product Highlights
- Model Code: A4VG71DA1D7/32R-NZF02F041SH
- Direct Fit Replacement: Mounting flange, spline shaft, and port locations conform precisely to original Bosch Rexroth A4VG Series 32 engineering standards.
- Speed-Related Hydraulic Control (DA): Features speed-dependent control for smooth, automatic adjustment of pump displacement relative to engine speed in hydrostatic travel drives.
- Heavy-Duty Closed-Circuit Design: Built with high-strength alloy housing, precision-ground pistons, and integrated auxiliary boost pump components to withstand high continuous pressures.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Code | A4VG71DA1D7/32R-NZF02F041SH |
| Brand / Series | Bosch Rexroth / A4VG Series 32 |
| Displacement | 71 cm³/rev |
| Circuit Type | Closed Circuit (Hydrostatic Drive) |
| Control Type | DA Control (Speed-Related Hydraulic Control) |
| Rotation Direction | Clockwise (Right-Hand Rotation) |
| Seals | NBR (Nitrile Rubber) |
| Warranty | 12 Months Warranty |
Applicable Machinery & Equipment Types
This Bosch Rexroth A4VG71 series hydraulic piston pump is widely applied in closed-loop hydrostatic travel drives and heavy-duty hydraulic circuits for the following equipment categories:
- Telehandlers & Aerial Work Platforms: High-capacity telehandlers and boom lifts (e.g., Manitou, Dieci, Merlo, JLG, Genie).
- Road Compaction Equipment: Single and double drum asphalt/soil compactors, rollers, and pavers (e.g., Hamm, Bomag, Dynapac).
- Wheel Loaders & Compact Loaders: Hydrostatic drive wheel loaders and integrated toolcarriers (e.g., Volvo, Kramer, JCB, Liebherr).
- Wheel Excavators & Forestry Machinery: Wheeled excavators, timber harvesters, and specialty heavy utility vehicles (e.g., Mecalac, Liebherr, Yanmar).
- Agricultural & Harvesting Equipment: Forage harvesters, combine harvesters, and self-propelled sprayers (e.g., Claas, Fendt, John Deere hydrostatic drives).
Key Applications
- Hydrostatic Travel Drive Systems: Converts mechanical engine power into precise closed-circuit hydraulic flow for vehicle traction and mobility.
- Smooth Speed Control: The DA control system automatically regulates speed and torque output according to engine RPM.
- Drive System Overhaul & Restoration: Replaces worn or failing Rexroth pump units to restore full travel speed, towing torque, and response times.
Why Choose Our Aftermarket Rexroth Pumps?
- Guaranteed OEM-Matching Quality: Produced under strict ISO 9001 quality management standards to match original factory specifications and endurance.
- Cost-Effective Solution: Receive original dealer-level durability and output performance at a competitive aftermarket price point.
- Ready for Fast Dispatch: Fully stocked for immediate global express shipping to minimize machinery downtime.
- Expert Hydraulic Support: Backed by a 12-month warranty and technical support from experienced heavy equipment specialists.
Frequently Asked Questions (FAQ)
Q: Is this pump a direct replacement for my original Rexroth A4VG71 pump?
A: Yes, as long as your original pump's Rexroth model code (A4VG71DA1D7/32R-NZF02F041SH) matches, this unit will serve as a direct drop-in replacement in form, fit, and performance.
Q: What does DA control mean on an A4VG pump?
A: DA stands for speed-related hydraulic control. The pump's displacement changes automatically depending on engine RPM, making it ideal for automotive-style driving in hydrostatic travel machinery.
Q: What installation steps are required before initial startup?
A: The pump housing must be fully filled with clean hydraulic fluid through the highest drain port before starting the engine to ensure proper lubrication and avoid dry running.
Q: How long does international express shipping take?
A: In-stock orders are typically dispatched within 3–5 business days. Express air freight options are available for urgent equipment repair requests.
Need a Quote for Rexroth A4VG71?
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