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Flexibility and modular design
The modular element system used for the regulator, through drives and attach
ment flanges makes Liebherr’s hydraulic pumps and motors exceptionally flex
ible and suitable for many different applications. An optimal solution can be
found for every power train system.
Long life and reliability
Liebherr’s many years of experience and the use of the very latest technologies
are factors that promote the development of all its new products. Thanks to high
strength materials and design ratings for long-term strength at high pressures,
Liebherr hydraulic components satisfy the high standards demanded for modern
construction machinery. Combinations of the most suitable grades of steel are a
guarantee of long component life and low wear.
Optimised efficiency
Pumps and motors owe their high efficiency to an excellent energy optimization
especially in the part-load area. A high slewing angle is reached by the swash
plate units. For maximum efficiency, sliding contact points are optimised with
regard to torque and flow volume. A low friction controll gives the posssibility to
make very accurate and precise adjustments.
Low noise
Ultra-modern development and design methods keep noise emissions from
Liebherr hydraulic components down to an exceptionally low level. With the aid
of modern CAE software, power units, valves and housing structures are de
signed and rated specifically for the lowest possible pulsations and vibrations.
This prevents an excessive noise burden impoves the operating confort.
| Nominal sizeAll data for each power unit | 45 | 64 | 75 | 90 | 100 | 107 | 125 | 140 | 150 | |||
| Displacement Vgmax cm³ 45.6 64.3 75 90.7 103.1 107.6 125.6 141.2 151.4 | ||||||||||||
| Max.speed | at Vgmax* | nmax | min-1 | 3000 | 2760 | 2540 | 2430 | 2320 | 2290 | 2180 | 2150 | 2100 |
| Volumetric flow at nmax qv max L/min 137 177 191 220 239 246 274 304 318 | ||||||||||||
| Drive power | △p=350 bar | P max | kW | 91 | 118 | 127 | 147 | 159 | 164 | 183 | 203 | 212 |
| Drive torque △p=350 bar TmaX Nm 290 408 477 578 654 684 802 902 964 | ||||||||||||
