Axial Piston Variable Pump AA4VSO | Rexroth High-Efficiency Hydraulic Pump

Axial Piston Variable Pump AA4VSO – Power, Precision, and Performance in One Hydraulic Solution

In the demanding world of hydraulic power transmission, efficiency and reliability are no longer optional—they are essential. The Rexroth Axial Piston Variable Pump AA4VSO is a premium hydraulic pump that meets these demands with exceptional engineering, robust construction, and advanced control features. Designed for open circuit hydraulic systems, this pump delivers precise flow control, energy efficiency, and long-lasting performance, making it an ideal choice for heavy-duty industrial, mobile, and marine applications.

Introduction to the AA4VSO Series

The AA4VSO is part of Rexroth’s renowned A4VSO family, upgraded to provide even greater performance stability and operational versatility. Built on the swashplate axial piston principle, it features a variable displacement mechanism that allows the pump to adjust flow according to system demand. This not only optimizes energy use but also extends the life of hydraulic components by reducing unnecessary load.

Its compact, modular design enables easy integration into a wide range of hydraulic systems, from construction machinery to industrial manufacturing equipment.

Key Features of the AA4VSO Pump

1. Variable Displacement DesignAdjusts the hydraulic output instantly based on load requirements, ensuring maximum energy savings.

2. High Operating PressureHandles continuous pressures up to 350 bar and peak pressures even higher, perfect for demanding tasks.

3. Multiple Control OptionsCompatible with hydraulic, electric, and load-sensing controls for tailored performance.

4. Low Noise and High EfficiencyPrecision engineering reduces noise levels and minimizes internal leakage, improving efficiency.

5. Long Service LifeBuilt with high-grade materials, advanced surface treatments, and premium seals to ensure extended operational life.

Technical Advantages

The Rexroth AA4VSO axial piston pump is designed for smooth operation under varying load conditions. It offers high volumetric and mechanical efficiency, rapid response to flow changes, and consistent pressure control.

Its swashplate design allows for fine adjustment of displacement, enabling the pump to supply exactly the amount of hydraulic fluid required, eliminating wasted energy. The pump’s rugged construction also ensures that it can operate in harsh conditions, including high-temperature environments and heavy vibration areas.

Applications of the AA4VSO Series

The AA4VSO axial piston variable pump is used across multiple sectors, such as:

• Construction Machinery – Excavators, wheel loaders, and mobile cranes.

• Agriculture – Tractors, harvesters, and spraying systems.

• Marine & Offshore – Steering gear, deck machinery, and winches.

• Industrial Hydraulics – Hydraulic presses, injection molding machines, and lifting systems.

• Mining & Heavy Industry – Drilling rigs, crushers, and conveyor systems.

Benefits of Choosing the AA4VSO Pump

• Energy Efficiency – Reduced fuel consumption and operational costs.

• Precision Performance – Accurate control of flow and pressure for sensitive applications.

• Durability Under Load – Performs reliably in extreme environments.

• Versatility – Easily adaptable to various hydraulic systems and control types.

• Global Service Support – Backed by Rexroth’s extensive worldwide service network.

Why the AA4VSO Stands Out in the Market

Compared to many other pumps in its class, the AA4VSO offers a unique combination of high-pressure capability, compact size, and efficiency. Its variable displacement technology ensures that hydraulic energy is never wasted, while its robust build guarantees a long operational life even under constant high loads.

With Rexroth’s legacy of engineering excellence, the AA4VSO is not just a pump—it’s an investment in productivity, reliability, and operational cost savings.

Conclusion – The Future of Hydraulic Power

The Axial Piston Variable Pump AA4VSO is the go-to choice for businesses that demand high performance, energy efficiency, and long-lasting durability in their hydraulic systems. Whether in construction, agriculture, marine, or industrial applications, this pump consistently delivers the precision and power needed to keep operations running smoothly and efficiently.

For those seeking a reliable, versatile, and cost-effective hydraulic pump, the Rexroth AA4VSO remains one of the most trusted names in the market.

Blue Axial Piston Variable Pump AA4VSO designed for high performance and efficiency in hydraulic systems.