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A4VSGSM
Rexroth
Product Overview
The A4VSGSM Series represents a family of high-performance, heavy-duty variable displacement axial piston pumps engineered for demanding open-circuit hydraulic systems. Designed for continuous operation in the most challenging environments, this series delivers exceptional power density, reliability, and intelligent control flexibility. It is an ideal core hydraulic power source for large-scale mobile and industrial machinery where high pressure, high flow, and long service life are non-negotiable.
Series Technical Specifications (Typical Range)
| Parameter | Specification / Description |
|---|---|
| Series / Model | A4VSGSM Series |
| Type | Variable Displacement, Swashplate Axial Piston Pump |
| Circuit Type | Open Circuit |
| Displacement Range | Multiple sizes available (e.g., 40, 71, 125, 180, 250, 355, 500 cm³/rev) |
| Nominal Pressure | 350 bar |
| Maximum Pressure | 400 bar |
| Control Options | Configurable (Pressure Compensator, Load Sensing, Electro-Proportional, Constant Power) |
| Key Design Features | High power density, through-drive capability, low noise operation |
| Mounting | Standard SAE or ISO mounting flanges |
Key Features & Advantages
| Feature | Benefit |
|---|---|
| High Power Density | Delivers maximum hydraulic power from a compact footprint, saving valuable space in machinery design. |
| Robust Swashplate Design | Proven reliability and long service life under continuous high-pressure operation and harsh environmental conditions. |
| Flexible Control Options | Can be equipped with various control devices (pressure, flow, load sensing, electro-proportional) to precisely match specific application requirements. |
| Through-Drive Capability | Enables mounting of additional pumps in series, creating compact multi-circuit power units from a single prime mover. |
| High Overall Efficiency | Optimized internal design minimizes energy losses, reducing fuel consumption and operating costs. |
| Low Noise Operation | Engineered for quiet performance, contributing to improved operator comfort and reduced environmental noise. |
Typical Applications
The A4VSGSM Series is ideally suited as the main hydraulic power source for a wide range of heavy-duty equipment, including:
Mobile Machinery:
Large Excavators – Main implement pump for boom, arm, bucket, and swing circuits
Wheel Loaders – Powering lifting, tilting, and auxiliary functions
Mobile Cranes – Hydraulic power for hoisting, telescoping, and outrigger systems
Mining Equipment – Shovels, drills, and heavy-duty haulage machinery
Forestry Machinery – Harvesters, forwarders, and log handlers
Industrial Applications:
Hydraulic Power Units – Core component for high-flow stationary HPUs
Industrial Presses – Main drive for metal forming, forging, and stamping presses
Test Rigs & Simulators – Precision power source for dynamic testing equipment
Marine & Offshore – Deck machinery, winch drives, and steering systems