China factory Rexroth A7VO55 Axial Piston Pump

Control Options

A7VO55DR

Pressure Compensator Control

Features:

  • Maintains preset system pressure
  • Protects hydraulic components
  • Simple structure

Applications:

  • Standard hydraulic systems
  • Industrial equipment

A7VO55DRG

Pressure Control with Remote Adjustment

Features:

  • External pressure adjustment
  • Flexible system integration

A7VO55DRS

Pressure + Servo Control

Advantages:

  • Faster response
  • Higher control accuracy

Applications:

  • Precision hydraulic systems

A7VO55EP

Electric Proportional Control

Features:

  • Electronic displacement adjustment
  • Integration with machine ECU
  • Intelligent hydraulic control

Applications:

  • Modern construction machinery

A7VO55LR

Power Control

Advantages:

  • Protects engine power
  • Maintains optimum power utilization
  • Improves fuel efficiency

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Application Range

Construction Machinery

Excavators

A7VO55 pumps are used in:

  • Auxiliary hydraulic systems
  • Attachment circuits
  • Swing systems
  • Compact and medium excavator hydraulic units

Advantages:

  • Smooth flow adjustment
  • Fast response
  • Reliable operation

Wheel Loaders

Applications:

  • Hydraulic steering
  • Bucket control
  • Lifting systems
  • Auxiliary attachments

The variable displacement function improves fuel efficiency during changing loads.

Drilling Machines

Applications:

  • Rotary drilling systems
  • Feed mechanisms
  • Hydraulic positioning systems

Advantages:

  • Stable pressure output
  • High reliability

 Agricultural Machinery

Tractors

Applications:

  • Hydraulic implements
  • Front loaders
  • Steering systems
  • Hydraulic attachments

The A7VO55 provides:

  • Precise control
  • Low energy loss
  • Long service life

Harvesting Equipment

Used in:

  • Combine harvesters
  • Forage harvesters
  • Agricultural processing machines

Applications:

  • Conveyor drives
  • Adjustment mechanisms
  • Auxiliary hydraulic functions

 Forestry Machinery

Applications:

  • Forestry harvesters
  • Forwarders
  • Wood processing equipment

Requirements:

  • High torque capability
  • Shock resistance
  • Continuous operation

The A7VO55 meets these requirements through its robust design.

Industrial Hydraulic Systems

Typical applications:

  • Hydraulic power units
  • Special machinery
  • Test equipment
  • Mobile industrial vehicles

Advantages:

  • Flexible control options
  • Compact installation
  • Reliable performance

Main Technical Specifications

Parameter A7VO55
Product Type Variable displacement axial piston pump
Design Bent-axis axial piston design
Circuit Type Open circuit
Series A7VO Series 63
Nominal Displacement 54.8 cm³/rev
Maximum Pressure 350 bar
Maximum Peak Pressure 400 bar
Rotation Direction Clockwise / Counter-clockwise
Control Options DR, DRG, DRS, EP, HD, LR
Maximum Speed Approx. 2500 rpm at full displacement
Maximum Flow Approx. 137 L/min
Maximum Power Approx. 80 kW
Maximum Torque Approx. 305 Nm
Weight Approx. 25 kg

A7VO55LRDS/63L-NZB01-S
A7VO 55 HD1/63R-NZB01
A7VO 55 DR/63L-NPB01
A7VO 55 HD1/63L-NZB01
A7VO55LR/63R-NZB01
A7VO55LRH1/63R-NZB01
A7VO55DR/63R-NZB01
A7VO55HD1/63R-NZB01
A7VO55EP/63R-NZB01
A7VO55LR/63L-NZB01
A7VO55LRH1/63L-NZB01
A7VO55DR/63L-NZB01
A7VO55HD1/63L-NZB01
A7VO55EP/63L-NZB01
A7VO55EP/63R-VZB01
A7VO55LRM/61R-PPB01
A7VO55DRS/61R-PZB01-S

A7VO55LRM/61R-PZB01
A7VO55LRDM/61R-PZB01
A7VO55LRDH5/61R-PZB01
A7VO55EPD/61R-PPB01
A7VO55EPD/61L-PPB01

A: We are factory and trading company.

A: Generally it is 3-5 days if the goods are in stock. Or it is 15-20 days if the goods are not in stock, it is according to quantity.

A: We can provide samples, but not for free.

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.

If you have more questions, pls feel free to contact us as below:

sales@bailehydraulic.com

WeChat/WhatsApp：0086 18060096097

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