Rexroth A2FO Fixed Displacement Piston Pump: Reliable High-Pressure Hydraulic Power For Mobile & Industrial Equipment

Sep 11, 2026

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REXROTH HYDRAULIC TECHNOLOGY

Rexroth A2FO Fixed Displacement Piston Pump

Reliable open-circuit hydraulic power for construction machinery, industrial systems, mobile equipment and demanding high-pressure applications.

Fixed Displacement
Axial Piston Design
Open Circuit
High Pressure
A2FO SERIES
PUMP
Fixed Displacement
Axial Piston Technology

Why Choose a Rexroth A2FO Hydraulic Pump?

The Rexroth A2FO fixed displacement axial piston pump is designed for open-circuit hydraulic systems where stable hydraulic flow, dependable pressure capability and mechanical robustness are important. Unlike variable displacement pumps, the A2FO delivers a fixed geometric displacement per revolution, making it a practical solution for hydraulic circuits with predictable flow requirements.

Its bent-axis axial piston architecture provides efficient mechanical power transmission and makes the A2FO suitable for demanding mobile and industrial hydraulic applications. Bosch Rexroth documentation identifies the A2FO as a fixed-displacement, open-circuit, high-pressure axial piston pump family. :contentReference[oaicite:1]{index=1}

PRODUCT TYPE
Fixed Pump
Axial piston design
CIRCUIT
Open Circuit
Continuous hydraulic flow
DISPLACEMENT
Multiple Sizes
Series-dependent selection
APPLICATION
Heavy Duty
Mobile & industrial systems
 

Rexroth A2FO Technical Parameters

Parameter A2FO Characteristics
Pump Type Fixed displacement axial piston pump
Circuit Type Open circuit
Design Bent-axis axial piston construction
Displacement Multiple nominal sizes depending on A2FO series and configuration
Pressure Capability Series and size dependent; high-pressure hydraulic applications
Flow Principle Fixed displacement per shaft revolution
Typical Fluid Mineral hydraulic oil and other approved hydraulic fluids according to the selected configuration

Note: Exact displacement, pressure, speed, shaft, mounting and port specifications depend on the complete A2FO model code and series. Confirm the exact part number before ordering.

HOW IT WORKS

A2FO Operating Principle

The A2FO converts mechanical shaft rotation into hydraulic flow through an axial piston and bent-axis mechanism. As the drive shaft rotates, the piston assembly performs a reciprocating movement that draws hydraulic fluid into the pump and delivers pressurized fluid to the hydraulic circuit.

Because the A2FO uses a fixed displacement design, the theoretical flow is primarily determined by pump displacement and rotational speed. This makes the pump particularly useful when the hydraulic system requires a predictable flow source rather than continuous electronic displacement adjustment.

FLOW FORMULA
Q ≈ Vg × n × ηv
Q = actual flow
Vg = geometric displacement
n = rotational speed
ηv = volumetric efficiency
 
Final operating flow depends on displacement, speed, pressure, hydraulic fluid properties and efficiency.

Core Advantages of the Rexroth A2FO Pump

01. Robust Hydraulic Architecture
The axial piston construction is designed for demanding hydraulic power transmission and high-pressure applications.
02. Predictable Fixed Flow
Fixed displacement simplifies hydraulic circuit design where a stable pump output is required.
03. Wide Application Potential
Suitable for mobile machinery, construction equipment and industrial hydraulic systems.
04. Rexroth Engineering
A2FO belongs to the Bosch Rexroth axial piston pump portfolio and is designed for professional hydraulic power systems.
INDUSTRIAL & MOBILE HYDRAULICS

Where Is the A2FO Hydraulic Pump Used?

Engineered for hydraulic systems where reliable fixed displacement power is required.
01

Construction Machinery

Excavators, loaders, drilling equipment, concrete machinery and other construction hydraulic systems.

02

Agricultural Machinery

Tractors, harvesting machinery and agricultural hydraulic systems requiring dependable hydraulic power.

03

Material Handling

Hydraulic lifting systems, handling equipment and mobile machines requiring compact hydraulic power.

04

Industrial Hydraulics

Hydraulic power units, industrial machinery and customized hydraulic circuits.

05

Mining & Heavy Equipment

Heavy-duty mobile machinery and hydraulic systems exposed to demanding working conditions.

06

Special-Purpose Equipment

Customized hydraulic systems, mobile power units and machinery requiring reliable fixed-flow pumps.

Typical Equipment Matching

Excavators & Earthmoving Equipment
Wheel Loaders & Construction Machines
Drilling & Mining Equipment
Agricultural Machinery
Hydraulic Power Units
Industrial Hydraulic Machinery
B2B PURCHASING GUIDE

How to Select the Correct A2FO Pump?

Overseas buyers should confirm the complete Rexroth model code rather than selecting the pump only by displacement.

1. Required displacement
2. Operating pressure and peak pressure
3. Required rotational speed
4. Rotation direction
5. Shaft and mounting configuration
6. Port connection requirements
7. Hydraulic fluid and operating temperature
8. Original replacement or complete new unit requirement
BUYER CHECKPOINT
Exact Model Code Matters

A2FO pumps with similar displacement may differ in shaft, mounting, ports, rotation, seal configuration or series. Providing the complete nameplate information helps suppliers identify the correct hydraulic pump faster.

B2B FAQ

Rexroth A2FO Fixed Displacement Pump – Questions & Answers

1. What is the Rexroth A2FO pump?
The Rexroth A2FO is a fixed displacement axial piston pump designed for open-circuit hydraulic systems and high-pressure applications.
2. Is the A2FO a variable displacement pump?
No. A2FO is a fixed displacement hydraulic pump. Its theoretical flow is related primarily to pump displacement and shaft speed.
3. What is the difference between A2FO and A2FM?
A2FO is a fixed displacement axial piston pump for hydraulic power generation, while A2FM is a fixed displacement axial piston motor designed to convert hydraulic energy into mechanical rotation.
4. Is Rexroth A2FO suitable for construction machinery?
Yes. Its fixed displacement axial piston architecture makes it suitable for many mobile and construction hydraulic systems when the required flow, pressure and speed are correctly matched.
5. How do I choose the correct A2FO displacement?
Selection should consider required hydraulic flow, operating speed, working pressure, power input and the complete machine hydraulic circuit. The complete Rexroth model code should be checked before purchasing.
6. Can A2FO pumps be used as replacement hydraulic pumps?
Yes, provided the replacement pump has compatible displacement, pressure rating, mounting, shaft, ports, rotation and other required specifications.
7. What information should I provide when requesting an A2FO quotation?
Ideally provide the complete model code, nameplate photo, displacement, required quantity, application, machine model and any existing pump identification information.
8. Can you supply original Rexroth A2FO hydraulic pumps?
Availability depends on the exact A2FO model and configuration. Overseas B2B buyers can provide the complete part number or nameplate information for model verification and quotation.

A Reliable Choice for Global Hydraulic System Buyers

For overseas hydraulic equipment manufacturers, distributors, repair companies and engineering contractors, the Rexroth A2FO hydraulic pump offers a proven fixed displacement solution for open-circuit hydraulic applications. Buyers searching for a Rexroth A2FO piston pump, A2FO axial piston pump, Rexroth fixed displacement pump, high pressure hydraulic piston pump or Rexroth hydraulic pump replacement should verify the complete model code and technical configuration before placing an order.

HYDRAULIC SOURCING SUPPORT

Looking for the Correct Rexroth A2FO Pump?

Send us your A2FO model number, nameplate photo, required displacement or equipment information. Our hydraulic team can help verify the configuration and prepare a B2B quotation according to your application.

REXROTH A2FO
Hydraulic Pump
B2B Supply & Technical Support
Rexroth A2FO Fixed Displacement Axial Piston Pump | Hydraulic Pumps | Mobile & Industrial Hydraulics
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