Rexroth A11VO60 Hydraulic Piston Pump for Excavators Roadheaders Construction Machinery

Product Overview:
The A11VO60 is a high-performance swashplate design axial piston pump from the renowned Rexroth A11VO series. Specifically engineered for open circuit hydraulic systems, this variable pump delivers exceptional power density, reliable operation, and precise control under demanding conditions . With a displacement of 58.5 cm³/rev and multiple advanced control options, it provides stepless flow adjustment for demanding mobile and industrial applications where compact size and high performance are required . This unit is a direct, high-quality replacement solution for original Rexroth equipment.

Technical Specifications:

• Model: A11VO60

• Type: Swashplate design, variable axial piston pump 

• Displacement: 58.5 cm³/rev (steplessly variable from Vg max to Vg min = 0) 

• Nominal Pressure: 350 bar (continuous operation) 

• Maximum Pressure: 400 bar (peak) 

• Maximum Speed: 2700 rpm at Vg max; up to 3250 rpm at reduced displacement 

• Flow Rate: Up to 158 L/min (at max speed) 

• Control Options: LR (power control), LR.C, LR3, LG1, LG2, DR (pressure control), DRS, DRL, DH1, DH2, EP (electro-proportional), and more 

• Design: For open circuit hydraulic systems 

• Operating Mode: Self-priming conditions, with tank pressurization, or with optional built-in charge pump (impeller) 

• Through-Drive: 100% through drive suitable for adding gear pumps and axial piston pumps up to the same nominal size 

• Mounting Flange: SAE / ISO 3019-1 standard 

• Weight: Approximately 40 kg 

• Material: Robust cast iron construction 

• Temperature Range: -20°C to +90°C 

Core Features:

• Robust Swashplate Design: The proven swashplate design ensures reliable operation, excellent efficiency, and long service life in open circuit applications .

• Designed for Mobile Applications: Primarily engineered for use in demanding mobile applications, with rugged construction to withstand harsh operating conditions .

• Multiple Advanced Control Options: Comprehensive range of controls available matching any application requirement, including power, pressure, hydraulic pilot, and electro-proportional options . Power control option is externally adjustable, even when the pump is running .

• Stepless Variable Displacement: Output flow is proportional to drive speed and infinitely variable between Vg max and Vg min = 0, offering precise flow matching to reduce energy consumption and heat generation .

• Through-Drive Capability: 100% through drive suitable for adding gear pumps and axial piston pumps up to the same nominal size, enabling flexible and space-saving multi-circuit system configurations .

• High-Pressure Capability: Delivers 350 bar nominal and 400 bar peak pressure, meeting demanding mobile and industrial application requirements .

• High Efficiency: Volumetric efficiency up to 97% with excellent mechanical efficiency minimizes energy loss .

• Durability: Robust bearing system and high-quality cast iron materials ensure long service life in demanding continuous operation .

• High Power Density: Compact design delivers impressive power in a 40 kg package, providing excellent power-to-weight ratio .

Main Applications (Suitable Equipment):
The A11VO60 is widely recognized as the specialized power unit for heavy machinery requiring high-pressure, variable flow hydraulics. It is extensively used in:

1. Excavators & Construction Machinery:

• Main hydraulic pump for small to medium excavators (6-12 ton class) 

• Hydraulic systems for wheeled excavators and compact loaders

• Crawler excavators requiring reliable high-pressure hydraulics 

2. Tunneling & Mining Machinery (Primary Application):

• Main pump for roadheaders - widely used in coal mining and tunneling applications 

• Tunnel boring machines (TBM) and rock drilling rigs 

• Mining machinery and coal mining equipment 

• Foundation equipment and piling rigs

3. Concrete Machinery:

• Concrete pump trucks - main or auxiliary pump functions 

• Concrete mixing plant hydraulics

• SANY and Zoomlion concrete pump truck applications 

4. Material Handling Equipment:

• Cranes and mobile cranes 

• Telehandlers and aerial work platforms 

• Lifting mechanisms and material handlers 

5. Agricultural Machinery:

• Tractors (hydraulic implement control) 

• Harvesters and agricultural equipment 

6. Industrial Applications:

• Hydraulic power units for industrial machinery 

• Industrial presses and machine tools 

• Metallurgical equipment and heavy industry applications 

7. Specialty Applications:

• Rotary drilling rigs 

• Shield tunneling machines 

• Pumping machinery and construction equipment