
Sauer-Danfoss Series 42 — hydraulic pumps / motors
Sauer-Danfoss Series 42 is a line of cradle swashplate axial piston hydraulic pumps and motors with variable displacement from 28 to 51 cm³ for closed-circuit hydrostatic systems. The series is rated for a maximum pressure of 415 bar for the 28 and 41 cm³ sizes and 350 bar for the 32 and 51 cm³ sizes. The designation 42R indicates right-hand shaft rotation, 42L indicates left-hand rotation. Control is provided through a compact servo control system including mechanical and electric feedback controls, hydraulic and electric proportional controls, and a three-position control.
Series 42 models
The series includes pumps and motors:
All series are available in the Sauer-Danfoss hydraulics section.
Advantages Series 42
- Maximum pressure up to 415 bar in a compact package provides high power density in the medium class of mobile equipment
- Cradle swashplate design with hydraulic servo cylinder guarantees smooth stepless control and flow reversing
- Wide speed range from 500 to 3750 rpm ensures stable operation at both low and maximum speeds
- 42R and 42L versions allow selection of shaft rotation direction without additional adapters
Applications Sauer-Danfoss Series 42
Sauer-Danfoss Series 42 pumps and motors are used in the hydrostatic transmissions of compact loaders, mini excavators, and trenchers from manufacturers such as Bobcat, Vermeer, and Toro. The series is also used in road rollers, industrial-grade self-propelled mowers, and specialised medium-power agricultural equipment.
Parts and repair Series 42
Spare parts are available for the Sauer-Danfoss Series 42: cylinder blocks, shafts, pistons, repair kits, and seal kits.
Aspect Plus offers repair of Sauer-Danfoss Series 42 hydraulic pumps / motors: fault diagnosis, replacement of worn components, and final bench testing.
Contact us — provide the equipment make or pump / motor model — we will select the parts and prepare a quote.
