Performance
Liebherr crawler excavators feature state-of-the-art technology and high-quality workmanship. The most important components of the drive system are all produced by Liebherr and are perfectly coordinated with one another.
The engine generation, as further developed for the “C-series”, assures an effective power delivery, a high degree of efficiency, long life expectancy and complies with
the emission standard IIIA / Tier 3.
Operating Weight: 32,600 – 33,500 kg
Engine Output: 190 KW / 258 HP
Bucket Capacity: 1.75 – 2.25 m3
Comfort
In the operator’s station, the operator can look forward to a comfortable workstation that is designed according to the most up-to-date ergonomically know-how. The standard climate control provides a pleasant working environment
in all weather conditions. Liebherr crawler excavators are particularly servicefriendly: Maintenance work is simply and quickly accomplished due to well accessible service points.
R 944 C
Litronic
Engine
Rating per ISO9249 : 190 kW(258 HP) at 1,800 rpm
Model : Liebherr D 936 L stage IIIA/Tier 3 emission
Type : 6 cylinder in‐line
Bore/Stroke : 122/150 mm
Displacement : 10.5 L
Engine operation : 4‐stroke diesel
Hydraulic System
Hydraulic pump for attachment
and travel drive : two Liebherr variable flow, swash plate pumps
Max. Flow : 2 x 303 L/min.
Max. Pressure : 350 bar
Pump regulation : electro‐hydraulic with electronic engine
Hydraulic Controls
Power distribution : via mono block control valve with integrated safety valves
Flow summation : to boom and stick
Closed‐loop circuit : for upper carriage
Swing Drive
Drive by : Liebherr swash plate motor
Transmission : Liebherr compact planetary reduction gear
Swing ring : Liebherr, sealed single race ball bearing swing ring, internal teeth
Swing speed : 0 – 8 rpm step less
Swing torque : 125 kNm
Undercarriage
S‐HD : super‐HD‐undercarriage for extreme and very tough applications, e.g. in quarries
Drive : Liebherr swash plate motors with integrated
brake valves on both sides
Transmission : Liebherr planetary reduction gears
Travel speed : low range – 2.8 km/h
high range – 4.1 km/h
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