Customizable High-Performance A4VG175 Charge Pump for Construction Machinery Hydraulic Systems | Rexroth A4VG Series | Halies

Product Introduction

The A4VG175 charge pump is designed for the Rexroth A4VG Series variable axial piston pump, providing pilot pressure and cooling oil flow for the main hydraulic circuit. It plays a crucial role in maintaining system balance, pressure stability, and fluid circulation.
Halies supplies the A4VG175 charge pump assembly and internal components, manufactured from high-strength alloy materials, carburized, quenched, and precision-ground to ensure durability, efficiency, and reliable operation under high pressure and continuous duty.

Halies also supplies the complete range of Rexroth charge pumps, including A4VG, A4VSO, A10VSO, A2FO, and A7V models, covering all displacements and operating conditions.

1. Specifications & Parameters

2. Applications

• Construction Machinery: Excavators, cranes, loaders, concrete pump trucks

• Mining Equipment: Hydraulic drills, breakers, and mining trucks

• Agricultural Machinery: Harvesters and tractors

• Industrial Systems: Hydraulic test benches, injection molding machines, power units

• Marine Systems: Winches, propulsion, and deck cranes

3. Key Advantages

1. Stable Oil Supply
   Precision gears and optimized flow design ensure consistent pressure and flow.

2. High Wear Resistance
   Heat-treated alloy steel components guarantee long service life.

3. Full OEM Compatibility
   Directly interchangeable with Rexroth A4VG175 charge pump assemblies.

4. Low Noise & High Efficiency
   Smooth gear engagement reduces noise and energy loss.

5. Customizable Options
   Displacement, rotation direction, and flange type available upon request.

Conclusion:
The A4VG175 charge pump is an essential auxiliary component in the Rexroth A4VG hydraulic system. With precision engineering, robust materials, and reliable performance, Halies provides a cost-effective and durable replacement solution for high-demand construction and industrial applications.

Jiangsu Knl Hydraulic Pump Inc. is a high-end equipment manufacturer specializing in producing high-pressure plunger pumps, motors, hydraulic reducers and spare parts. The company is loed in Xushe Industrial Park, Yixing City, where the environment is elegant, the traffic is convenient and the geographical position is superior. The company covers an area of more than 90,000 square meters and has built more than 60,000 square meters.

The company adheres to the management aim of scientific and technological innovation, employee as the cornerstone and social benefit creation, has a set of perfect MES management system and advanced management team, and has FMS flexible manufacturing cell system, processing center, CNC lathe and three coordinates. Honing machine, grinding machine and other high-end imported equipment, is a professional production of hydraulic components and components of the manufacturing and modelling enterprises.

After years of research and development, the company has built a production, teaching and research base with Huazhong University of Science and Technology, Nanjing University of Technology, Changzhou University and other colleges. The quality of products manufactured by the company has been fully affirmed by customers and exported to 185 countries and regions.

The company has always adhered to the business philosophy of "people without me, people with me excellent, constantly improve product quality and provide extremely fast service" to serve the global market. Through continuous innovation and steady development, the company has become one of the most complete manufacturers of hydraulic components in the world market. Looking ahead, we will work hand in hand with customers to create brilliant future!