, 2015-11-04

New hydraulic motors from Rexroth up to 26% more compact

A2FM 70 series

The new 70 series of the Rexroth A2FM bent-axis motor: depending on the size selected, the motors are up to 26% shorter than series 61.

Higher power in a smaller installation space: this is what construction machinery manufacturers require, and Rexroth fulfills their demands with the new A2FM 70 series bent-axis hydraulic motors. The motors are up to 26% shorter and are notable for their high power density. At the same time, Rexroth has added two extra pressure levels to the new series, which now covers the pressure range up to 500 bar.

The much smaller dimensions in the new Rexroth axial piston motors with a 40° bent-axis design have been achieved by optimizing the design of the rotary unit and using an integrated flushing and boost-pressure valve. Depending on the size selected, the motors are up to 26% shorter than series 61. This improvement also reduces the weight of the motors by up to 38%– for instance, the weight of the size 107 with a pressure range of 300/350 bar drops from about 32 kg to around just 20 kg.

The 70 series, which has been developed to complement Rexroth's successful medium pressure pumps, has additional pressure levels to expand the range of application for the A2FM hydraulic motors. In addition to the maximum pressure of 450 bar provided by the previous series, variants with maximum pressures of 350 and 500 bar are now also available.

Thanks to three different pressure levels the A2FM is suited for cost-sensitive applications with lower pressure demands as well as for heavy duty applications with highest pressure demands. Three sizes, with displacements of 80, 90 and 107 cm3 respectively, are suited to a wide range of tasks in mobile working machines. Like the successful A2FM 61 series, the new fixed motors feature a high starting efficiency and are designed for speeds of up to 5,000 rpm. They can be used in both open and closed circuits.

The fixed motors can drive drums in concrete mixers, winches in mobile cranes or vibration drives in road rollers. They are also suitable for use in drilling equipment and rolling mills. Rexroth also combines the new motors with axial piston pumps to create ready-to-install, compact hydrostatic travel drives for use in snow groomers and combine harvesters, for example.

About Bosch Rexroth:

Economical, precise, safe, and energy efficient: drive and control technology from Bosch Rexroth moves machines and systems of any size. The company bundles global application experience in the market segments of Mobile Applications, Machinery Applications and Engineering, Factory Automation, and Renewable Energies to develop innovative components as well as tailored system solutions and services. Bosch Rexroth offers its customers hydraulics, electric drives and controls, gear technology, and linear motion and assembly technology all from one source. With locations in over 80 countries, more than 33,700 associates generated sales revenue of approximately $7.4 billion (5.6 billion euros) in 2014. To learn more, please visit

About Bosch:

Having established a regional presence in 1906 in North America, the Bosch Group employs some 28,700 associates in more than 100 locations, as of April 1, 2015. In 2014, Bosch generated consolidated sales of $11.3 billion in the U.S., Canada and Mexico. For more information, visit , and .

The Bosch Group is a leading global supplier of technology and services. It employs roughly 360,000 associates worldwide (as per April 1, 2015). The company generated sales of $65 billion (49 billion euros) in 2014.* Its operations are divided into four business sectors: Mobility Solutions, Industrial Technology, Consumer Goods, and Energy and Building Technology. The Bosch Group comprises Robert Bosch GmbH and its roughly 440 subsidiary and regional companies in some 60 countries. Including its sales and service partners, Bosch is represented in roughly 150 countries. This worldwide development, manufacturing, and sales network is the foundation for further growth. In 2014, Bosch applied for some 4,600 patents worldwide. The Bosch Group’s strategic objective is to create solutions for a connected life. Bosch improves quality of life worldwide with products and services that are innovative and spark enthusiasm. In short, Bosch creates technology that is “Invented for life.” Additional information is available online at and , .

*The sales figure disclosed for 2014 does not include the former joint ventures BSH Bosch und Siemens Hausgeräte GmbH (now BSH Hausgeräte GmbH) and ZF Lenksysteme GmbH (now Robert Bosch Automotive Steering GmbH), which have since been fully acquired.


Search press releases


Susan  Strauss
City Line Road 2315
18017 Bethlehem, PA
Phone: (610) 694-8352
Fax: (610) 954-8670

Related Articles


Bosch Rexroth Microsite Offers the Latest Hydraulics Innovations

Rexroth’s microsite now features the latest product innovations for both Factory Automation and Hydraulics & Heavy Industry


Two Bosch Rexroth products named Finalists in Plant Engineering’s 2017 Product of the Year Awards

Voting is underway for Rexroth’s Pure Power Filter Media and IoT Gateway