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A4VSO40
Rexroth
Product Overview
The A4VSO40 is a compact, high-performance variable displacement axial piston pump engineered for demanding open-circuit hydraulic systems. Utilizing a robust swashplate design, this pump delivers reliable hydraulic power with the significant advantage of stepless, demand-based flow control. Its excellent power-to-size ratio, high efficiency, and low noise characteristics make it an ideal primary power source for a wide range of medium-duty mobile and industrial machinery.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Type | Variable Displacement, Swashplate Axial Piston Pump |
| Circuit Type | Open Circuit |
| Nominal Displacement (Vg max) | 40 cm³/rev |
| Nominal Pressure (P_nom) | 350 bar (35 MPa) |
| Maximum Pressure (P_max) | 400 bar (40 MPa) |
| Maximum Speed (at Vg max) | 2600 rpm |
| Theoretical Flow (at n_max) | ~104 L/min |
| Theoretical Flow (at 1500 rpm) | ~60 L/min |
| Maximum Power (at n_max) | ~61 kW |
| Maximum Torque (at 35 MPa) | ~223 N·m |
| Approximate Weight | ~39-40 kg |
| Mounting Type | Standard SAE 2-bolt flange |
Specifications compiled from verified technical data .
Key Features & Advantages
Control Options
The A4VSO40 can be configured with various control devices to precisely match specific application requirements. Common control types include:
Typical Applications
The A4VSO40 is widely used as a reliable hydraulic power source across diverse industries :
Mobile Machinery:
Construction Equipment: Compact excavators, wheel loaders, bulldozers, rotary drilling rigs
Concrete Machinery: Truck-mounted concrete pumps, pump vehicles, tractive pumps
Special Vehicles: Various mobile equipment requiring medium-flow hydraulic power
Industrial Applications:
Metallurgy & Forging: Hydraulic presses, forging machines, aluminum processing, metal recycling equipment
Machine Tools: Precision control for manufacturing processes
Marine & Shipbuilding: Hydraulic systems for vessels and offshore equipment
Mining Equipment: Underground and surface mining machinery
Other Industries: Paper manufacturing, rubber vulcanizing presses, ceramic machinery, petroleum & chemical equipment