Liebherr PR 744 Litronic - Manual (Page 7)

7 PR 734 Litronic PR 744 Litronic
Economy
Liebherr PR 734 quick-coupler system
• Transportation width of less than 9’10’’:
The hydraulic quick-coupler system
enables the machine to be transported
easily and quickly.
• Short set-up time and straightfor-
ward operation: The time required for
mounting and dismantling the blade is
reduced from several hours to just a few
minutes and this task can be performed
by one person.
Tilting cab
• Enables straightforward, rapid
access to all components of the
travel drive and power hydraulics.
Easy maintenance
• All service points are located on
one side of the machine, saving
time and energy during daily
inspection tasks.
Liebherr crawler tractors are consistently designed with cost-effectiveness in
mind, resulting in low fuel consumption, high productivity, long component ser-
vice lifetimes and low maintenance costs.
Low fuel consumption
Constant engine speed The Liebherr diesel engine operates at a consistent
speed at all times, regardless of the given travel
speed. The engine is not throttled and re-acceler-
ated, thereby guaranteeing economical fuel con-
sumption.
Low engine speed The low engine speed results in significantly
enhanced filling of the cylinder chambers and, as a
consequence, more efficient fuel combustion.
Efficient drive system The hydrostatic travel drive offers excellent effi-
ciency across the entire speed range. The oil tem-
perature remains low even when high power output
is required at low travel speeds (ripping work).
Load-sensing
power hydraulics
This system only uses the energy that is actually
required by the operating equipment. This saves
fuel if the equipment is not being used.
Low maintenance costs
Long maintenance
intervals
The maintenance intervals are optimally geared to the
individual components. For example: maintenance-
free bearings are used on exposed dozing frame.
Excellent accessibility All service points of the diesel engine are acces-
sible from one side of the machine, while the tilting
cab enables access to the components inside the
machine. These measures allow servicing tasks to
be carried out quickly and efficiently.