Advanced techniques heighten performance
In its design offices, Liebherr combines the technological knowhow of each area to create consistent and optimised integrated systems. Liebherr’s electronics, positive control hydraulics, and even the travel motors are designed from the start to be interconnected and generate optimum operating power with fast and fluid movements.
Operating Weight: 22,050 – 22,700 kg
Engine Output: 110 kW / 150 HP
Bucket Capacity: 0.60 – 1.50 m3
Undercarriage
• Robust design for greater resistance and a better distribution of forces
• Easy and safe transport thanks to integrated lashing eyes
• Two different types of undercarriages adapted to different operating configurations
and transport conditions
R 922
Litronic
Engine
Rating per SAE J1995 / ISO 3046 : 110 kW (150 HP) at 1,800 RPM
Model : Cummins QSB 6.7
Type : 6 cylinder in‐line
Bore / Stroke : 107 / 124 mm
Displacement : 6.7 L
Engine operation : 4‐stroke diesel, Common‐Rail, turbo
Hydraulic Controls
The controlling is conducted via the integrated excavator system technology, input and output modules, communicated via the CAN‐BUS with the electronic central unit, Power distribution via control valve with integrated safety valves
Flow summation : to boom and stick
Hydraulic System
Hydraulic system : Positive Control dual circuit hydraulic system for independent and need‐based quantity allotment via the hydraulic pumps; sensor‐guided. Features high system dynamics and sensibility provided by inte grated system controlling
Regeneration : integrated into the main hydraulic block
Hydraulic pump : variable double pump, in‐line and swashplate
Max. Flow : 2 x 216 L/min.
Max. Pressure : 350 bar
Swing Drive
Drive : swashplate motor, shock less and ant reaction
Transmission : compact planetary reduction gear
Swing ring : sealed race ball bearing swing ring, internal teeth
Swing speed : 0 – 11.3 RPM step less
Swing torque : 73.3 kNm
Operator’s Cab
ROPS (option) safety cab structure with individual windscreens or featuring a slide‐in subpart under the ceiling, work headlights integrated in the roof, a door with a side window (can be opened on both sides), large storing possibilities, shock‐absorbing suspension, sound damping insulating, tinted laminated
safety glass, separate window shades for the sunroof window and windscreen, 24 V plug, 12 V optional, bottle holder.
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