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GB

S172

S172

HARVESTING HEAD

Unrivalled performance with large trees


A mighty head with a two-wheel feed designed for massive also enhances productivity with its four moving knives
and challenging forest. What's more, it's exceptionally complemented with a fixed knife for the delimbing of,
reliable and easily customised to individual needs. These for example, low branches.
are the most profit-enhancing characteristics of the new And let's not forget the outstanding reliability, the
Komatsu S172. explanations for which range from the noticeably easy
Consider, for instance, its remarkably high productivity, servicing through the sturdy construction with a high-
one of the many reasons for which is the smart two-wheel strength steel frame to the smart hose routing and
feed with all the feed force (which is also variable) you need protected head computer. Moreover, you can customise
for the largest of trees, regardless of shape. Then we have the head to suit your needs in terms of measuring, feed
the sensor-based Flex Friction Control, which provides rollers, stump treatment and much more. So if you want a
the best possible stem processing and delimbing results truly large head to meet extremely challenging demands –
for different tree species and diameters. The delimbing namely yours – choose the new Komatsu S172!
TECHNICAL DATA S172
Komatsu S172, highlights
• Two-wheel feed that maximises productivity in all kinds of forest
• Four moving delimbing knives, three of which are hydraulically
controlled. Fixed delimbing knife mounted above the saw box for
delimbing low branches
• Flex Friction Control. Knife pressure and lifting force are
controlled by a sensor in the vertical knife to produce the least
possible friction between stem and head
• Easy service and maintenance with optimal access to all vital F
components
• Smart hose routing that minimises downtime
E
• Well-protected head computer mounted under head hood
• Cast steel feed roller arms for maximum service life
• Option of equipping the head with either manual or automatic
chain tensioning
A
• Choice of feed rollers for maximum customisation
B
• Optional colour marking and stump treatment equipment C
D
• Optional 4-point measuring for increased measurement accuracy
• Sturdy construction, high-strength steel frame

Dry weight: from 1,675 kg A Roller opening, max. 713 mm

Feed rate: 0-5 m/s B Opening forward knives, max. 757 mm


C Opening rear knives, max. 772 mm
Feed force, gross: 40.2 kN
D Width, max. 1,937 mm
Feed roller type: Steel rollers E Height to vertical knife 1,748 mm
Delimbing knives, max. number: 4 F Height including rotator 2,222 mm
NB: Refers only to one of several possible dimensional combinations and
Delimbing diameter, tip to tip: 500 mm the head's weight is dependent on equipment options.
Saw bar: 90 cm
EQUIPMENT OPTIONS
Saw motor: 19/30 cm3/rev Standard and extra equipment are market-dependent and vary between
Felling diameter, theoretical max.: 750 mm countries. Your sales representative has an up-to-date list of what is included.

Requisite max. hydraulic flow: 300 l/min Technical data/dimensions vary depending on optional equipment selected. Specifications
and designs are subject to alteration without prior notice. Photos, diagrams and figures do
Requisite max. hydraulic pressure: 28 MPa not always show the standard configuration.

ZONE OF APPLICATION
Possible working range
Recommended working range,
highest productivity

in 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 31 33 35
mm 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900

500 mm (20") Max. recommended tree size DBH


750 mm (30") Max. theoretical cutting diameter
710 mm (28") Max. feed roller opening

Komatsu Forest AB
www.komatsuforest.com

kS172_ps_gb_151209 • TR / Ågrenshuset

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