2018 International Forest Industries IFI Feb March 2018 Digital | Page 57

The 901XC has been designed to operate well on steep slopes
The Komatsu concept, shared on
all Komatsu harvesters, is a well
proven concept for stability. The
concept is based on a centrally
mounted cab and crane, which
provide a good balance between
ground pressure and low centre
of gravity. Further, the concept
includes the cab’s tilt cylinders
and the swing axle’s stabilising
cylinders interacting to maintain
stability.
When the crane is working
far from the machine, the centre
of gravity shifts from the centre
of the machine, which could
result in instability. Under these
circumstances, the pressure
from the tilt cylinders is instead
transferred to the stabilising
cylinders on the swing axle, which
locks the machine in a horizontal
position and maintains stability.
Stability is not an issue even when the crane is extended to maximum reach
One unique feature of the eight-
wheeled harvesters in the XC series
is the double oscillating bogie.
It provides increased stability by
lowering the machine’s centre
of gravity and increasing ground
contact. The bogie also offers
unique handling characteristics as
the machine follows irregularities
in the terrain in a smooth and
forgiving manner while delivering
extreme mobility in challenging
terrain conditions.
“The combination of a double
oscillating bogie and the well-
proven Komatsu concept makes the
Komatsu XC harvesters the most
stable harvesters on the market,”
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