
Characteristics of Sauer-Danfoss 42R51 42L51 hydraulic pumps
The Sauer-Danfoss 42R51 and 42L51 hydraulic pumps are 42 series variable displacement axial piston pumps designed for operation in closed hydrostatic circuits. They provide compact, powerful and efficient hydraulic transmission, capable of withstanding high pressures of up to 400-415 bar at operating temperature.
Technical characteristics of Sauer-Danfoss 42R51 42L51 hydraulic pumps:
- Type / Design: variable displacement axial piston pump with swash-plate, designed for closed circuit.
- Displacement: 51 cm3/rev.
- Nominal pressure: 350 bar.
- Maximum pressure: up to 400 bar
- Rotation speed: in the range of 500–3750 rpm.
- Weight: about 42 kg
- Scope of application: mobile and construction equipment (excavators, loaders, concrete mixers, road and agricultural equipment), where precise regulation of hydraulic flow and high reliability are required.
- Additionally: control options available (mechanical, electrical, servo control), compact design optimized for short installation, possibility of reversing the flow direction by shifting the swash-plate.
Cross hydraulic pump numbers:
Installed in the model:
- John Deere – self-propelled mowers, small sprayers, mid-range tractors.
- Wirtgen Group: W 100 Fi, W 120 Fi, W 130 Fi, Vögele Super 1300-3i, Vögele Super 1600-3i, Hamm HD 12i, Hamm HD 14i, Hamm DV+ 70i
- Caterpillar: 307, 308, 309 CR, 313, 315, 259D, 279D
- Volvo CE: EC55C, EC60E, ECR58, EC140E, L30G, L35G
- JCB: 55Z-1, 57C-1, 131X, 140X, 155, 190
- Liebherr: R 914 Compact, R 918, L 507, L 509
- Bomag: BW 120, BW 135, BW 138
- John Deere: 5R Series, 6M (110–140 hp), 4630, 4730 sprayers
- Claas: Jaguar 820, Jaguar 830, Tucano 430
- Case IH: Maxxum 125, Maxxum 135, Puma 140
- New Holland: T5, T6, Guardian SP240
- Kubota: M6-141, M7-132
- John Deere Forestry: 810E, 910G
- Ponsse: Beaver, Fox, Gazelle
- Komatsu Forest: 901, 911.5
The company "Aspect Plus" offers a wide range of spare parts for the repair of the Sauer-Danfoss 42R51 42L51 hydraulic pump.
