Hydraulic Piston Pump A4VG56DA1D832R – Ideal for Road Roller, Excavator & Heavy Machinery Hydrostatic Transmission

Product Introduction

The Rexroth A4VG56DA1D832R is a closed-circuit axial piston variable pump from the proven Series 32. With a maximum displacement of 56 cm³/rev and rated pressure of 400 bar, it delivers reliable high-power output for demanding hydrostatic drives. The integrated DA hydraulic control enables speed-dependent displacement adjustment for smooth operation. Built-in charge pump, high-pressure relief valves, and boost functions ensure system protection and stability. Designed for heavy-duty mobile equipment such as road rollers, concrete pumps, and loaders, this pump offers excellent power density, durability, and precise control in compact dimensions.

Product Summary

The Rexroth A4VG56DA1D832R delivers reliable hydrostatic power for heavy equipment. Its closed-circuit design with DA speed-sensitive control ensures smooth acceleration and precise speed regulation under varying loads. Built-in charge pump and overload valves protect the system, minimizing downtime. Compact and robust, this pump withstands harsh conditions while offering fuel efficiency through load-matched output. Ideal for rollers, loaders, and pavers.

Product core parameters

Product Application

The Rexroth A4VG56DA1D832R Series pumps is widely used in mobile hydraulic equipment requiring reliable hydrostatic transmission. It is ideal for road rollers, soil compactors, asphalt pavers, concrete pumps, wheel loaders, and agricultural machinery. This pump performs excellently in continuous heavy-duty operations, providing precise speed control and smooth direction changes under varying loads. Its robust design ensures dependable performance in harsh environments such as construction sites, mining operations, and infrastructure projects. Suitable for both OEM installations and aftermarket replacements, it offers proven durability and efficiency, reducing total operating costs while maintaining high productivity in demanding working conditions.

Company Profile

Hebei Runhe Hydraulic Machinery Co., Ltd. is a specialized developer & manufacturer of hydraulic system solutions, with 12 years of field experience serving global OEM equipment brands with premium piston pumps and hydraulic executing parts.
Our product matrix consists of hydraulic cylinders, hydraulic pumps and hydraulic motors, serving a broad spectrum of industries including engineering vehicles, farm machinery, hoisting equipment, industrial automation, intelligent logistics warehousing and marine port facilities.
Beyond off-the-shelf standard hydraulic products, our core competitiveness lies in flexible non-standard customization services. Supported by our in-house engineering team, we tailor products to match clients’ unique requirements in port style, raw material grade, mounting mode, dynamic performance parameters and stacked hydraulic valve integration. We align customized products perfectly with customers’ equipment iteration needs, providing stable, cost-effective hydraulic supporting solutions for long-term strategic cooperation.

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