Series 42 axial piston pumps
Series 42 pumps are advanced hydrostatic units designed for medium power applications. They utilize a parallel axial piston slipper concept in conjunction with a tiltable swashplate to vary displacement. These pumps provide an infinitely variable speed range between zero and maximum in both forward and reverse. They are available with displacements from 28 cm3 to 51 cm3 [1.71 in3 to 3.11 in3].
Features and benefits
- Advanced hydrostatic units designed for medium power applications
- Compact package provides high power density
- Parallel axial piston concept features a tiltable swashplate
- Infinitely variable speed range in forward and reverse
- Wide variety of servo controls are available
- Optional bypass function allows disabled machine movement
- Optional loop flushing valve manages high cooling requirements
Applications
- Asphalt pavers and vibratory rollers
- Skid steer loaders and articulated loaders
- Utility tractors and agricultural sprayers
- Windrowers and specialized harvesters
- Trenchers and rock drills
- Commercial mowers and turf care vehicles
- Aerial lifts and forklifts
Specifications
- Displacement: 28 cm3 to 51 cm3 [1.71 in3 to 3.11 in3]
- Maximum working pressure: 350 bar to 400 bar [5,075 psi to 5,800 psi]
- Rated speed at maximum displacement: 2,900 rpm to 3,400 rpm
- Theoretical flow at rated speed: 95.2 l/min to 148 l/min [25.1 US gal/min to 39.1 US gal/min]
- Minimum operating temperature: -40°C [-40°F]
- Maximum continuous operating temperature: 104°C [220°F]
- Mass moment of inertia: 0.0018 kg·m2 to 0.0038 kg·m2 [0.0013 lbf·ft2 to 0.0028 lbf·ft2]