A11VO40 Axial Piston Variable Pump
REXROTH A11VO40 Axial Piston Variable Displacement Pump
The A11VO40 series, developed by :contentReference[oaicite:0]{index=0}, is a high-efficiency axial piston variable pump widely used in open circuit hydraulic systems. It is engineered for mobile machinery requiring stable pressure control, high power density, and long service life.
1. Product Introduction
The A11VO40 is a swashplate-type axial piston pump designed for medium-duty hydraulic applications. It delivers reliable flow control under variable load conditions and is commonly integrated into construction, agricultural, and industrial mobile equipment.
Field applications show that this model maintains stable hydraulic output even in continuous heavy-duty operation environments such as excavation, lifting, and drilling systems.
2. Technical Parameters
| Parameter | Specification |
|---|---|
| Displacement | 40 cm³/rev |
| Nominal Pressure | 280 bar |
| Peak Pressure | 350 bar |
| Control Type | Hydraulic / Electro-hydraulic |
| Rotation | Bi-directional |
| Fluid Type | Mineral oil compatible hydraulic fluids |
These parameters are based on widely adopted industrial configurations used in mobile hydraulic systems across global OEM machinery platforms.
3. Product Advantages
- High Power Density: Compact structure delivers strong output in limited installation space.
- Stable Flow Control: Optimized swashplate design ensures smooth and precise displacement adjustment.
- Long Service Life: Proven durability under continuous high-pressure operating conditions.
- Energy Efficiency: Reduced internal leakage improves hydraulic efficiency in real-world operation.
- Low Maintenance: Modular structure simplifies servicing and reduces downtime.
4. Application Fields
- Construction Machinery
- Agricultural Machinery
- Industrial Hydraulic Systems
- Material Handling Equipment
- Municipal Engineering Equipment
In long-term field usage, A11VO40 pumps are commonly selected for systems requiring continuous load variation and high reliability in harsh working environments.
5. Application Equipment
- Hydraulic Excavators
- Wheel Loaders
- Drilling Rigs
- Concrete Machinery
- Agricultural Harvesters
In excavators and loaders, the A11VO40 is typically used in the main hydraulic drive system, supporting boom movement, arm control, and bucket operation with responsive hydraulic performance.
6. Frequently Asked Questions (FAQ)
Q1: Is A11VO40 suitable for heavy-duty continuous operation?
A: Yes. It is designed for mobile hydraulic systems operating under frequent load changes and continuous working cycles.
Q2: What type of machines commonly use this pump?
A: It is widely used in excavators, loaders, drilling rigs, and agricultural machinery hydraulic systems.
Q3: Can the pump be used in both directions of rotation?
A: Yes. The A11VO40 supports bi-directional rotation depending on system configuration.
Q4: What is the main advantage compared to fixed displacement pumps?
A: Variable displacement allows energy savings and better flow control under varying load conditions.
Q5: Is maintenance difficult for this model?
A: No. The modular design simplifies maintenance and reduces downtime during servicing.
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