Overview
A2FM High-Pressure Fixed-Displacement Hydraulic Motor features a reliable bent-axis axial piston design with a favorable power-to-weight ratio, high operating efficiency, and high starting efficiency. It offers multiple nominal displacements, compact dimensions, and stable torque output under demanding loads. Flexible SAE flange or threaded ports, an optional integrated pressure relief valve, and optional BVD/BVE control, flushing, and boost-pressure relief valves support application-specific configurations. With up to 400 bar nominal and 450 bar maximum pressure, it suits construction, agricultural, forestry, material handling, and industrial hydraulic systems.
Product Advantages and Features
Multiple nominal displacement options are available, allowing the motor to be accurately matched to different application requirements.
The compact design delivers high hydraulic power with reduced weight, helping optimize equipment layout and installation space.
The optimized axial piston structure supports efficient hydraulic-to-mechanical power conversion and helps reduce energy losses during operation.
The motor provides dependable starting performance and stable torque output when equipment starts under demanding load conditions.
An SAE flange or threaded working ports can be selected to suit different hydraulic system configurations and installation requirements.
An integrated pressure relief valve can be selected to improve pressure protection and simplify hydraulic circuit design.
Additional valves can be pre-installed before delivery, including BVD/BVE motion control valves, flushing valves, and boost-pressure relief valves.

The bent-axis axial piston configuration provides a robust solution for high-pressure hydraulic drive systems and continuous-duty equipment.
Typical Applications
The A2FM piston motor is suitable for equipment and systems where compact dimensions, efficient hydraulic power transmission, and dependable starting behavior are important. Typical application areas include:
Construction machinery
Hydraulic drive systems for excavators, drilling equipment, concrete machinery, and other construction equipment.
Agricultural and forestry machinery
Hydraulic systems for tractors, harvesters, forestry equipment, and attachments requiring reliable starting performance.
Material handling equipment
Drive and auxiliary circuits in loaders, lifting systems, handling equipment, and other mobile machines.
Industrial hydraulic systems
Hydraulic power units, test equipment, production machinery, and other industrial hydraulic applications.

Performance
● General high pressure motor
● Nominal pressure up to 400bar
● Max Pressure up to 450bar
● Open and closed circuit
● Metric models
| Parameter | Condition | Symbol | Unit | Size 5 | Size10 | Size12 | Size16 | Size23 | Size28 | Size32 |
| Code12 B,C,Z,P | Code20 A,B,Z,P | Code25 A,B,Z,P | Code25 A,B,Z,P | Code30 A,B,Z,P | Code30 A,B,Z,P | Code30 A,B,Z,P | ||||
| Maximum radial force at distance a (from shaft shoulder) | - | Fqmax | kN | 1.6 | 3 | 3.2 | 3.2 | 5.7 | 5.7 | 5.4 |
| distance a | mm | 12 | 16 | 16 | 16 | 16 | 16 | 16 | ||
| Permissible torque at Fqmax | - | Tqmax | Nm | 24.7 | 66 | 76 | 102 | 146 | 179 | 204 |
| Permissible maximum pressure differential at Fqmax | - | qmax | bar | 315 | 400 | 400 | 400 | 400 | 400 | 400 |
| Maximum axial force under standstill or non-pressurized conditions | +Faxmax | - | N | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| -Faxmax | - | N | 180 | 320 | 320 | 320 | 500 | 500 | 500 | |
| Permissible axial force per bar of operating pressure | +Faxmax | - | N/bar | 1.5 | 3 | 3 | 3 | 5.2 | 5.2 | 5.2 |
Certificate

