Dymax
20 Forestry Tree Shears are perfect tools for forest utility
work, such as power line right-of-way maintenance.
A Dymax 20 Forestry Tree Shear with optional accumulator
is ideal for thinning in small logging operations.
Dymax
20 Forestry Tree Shears feature double arm grapples that
securely grab the tree as the shear arms are activated.
The
Forestry Tree Shear is designed for machines with a minimum
of 128 hp, minimum flow rate of 40-45 gpm and 44,000 lbs of operating
weight.
Shearing
cylinder is rated at 3,500 to 4,000 psi, and optimum results will
be obtained near those levels.
Shear
blade is comprised of 3/4 Hardox 400 high tensile steel and
is easily replaced when worn.
Machine
must be equipped with auxiliary valve, controls and hard lines.
Counterweight
may be required on certain models of machines.
Contact
Dymax sales for further information
A
Dymax 20 Forestry Tree Shear with accumulator is installed on
a 20 ton hydraulic excavator. Unit is used in clearing roadways and maintaining
country road right-of-ways. Considerable time is saved and exposure to
worker compensation claims from manual clearing is reduced. Shear can
be equipped with either manual or hydraulic rotator.
The
accumulator arm assembly seen above enables the operator to bunch
cut trees when operating in smaller wood, thereby improving productivity.
Specifications
Cylinders
Number
Rod
(in.)
Bore
(in.)
Stroke
(in.)
Shear
2
3.5
6
16
Double
Grapple
1
2
4
8
Accumulator
2
2
4
8
Specifications
and Dimensions
Forestry
Tree Shear
Forestry
Tree Shear
with Accumulator
Weight
(lbs.)
5,350
6,110
Height
(in.)
73
90
Width
at shear arms (in.)
90
90
Overall
depth (in.)
82
80
Shear
blade material
3/4
Hardox 400
milled knife edges
3/4
Hardox 400
milled knife edges
Tower
material
A-572
A-572
Hydraulics
Auxiliary
valve, controls, hard lines
Auxiliary
valve, controls, hard lines, Accumulator requires an electrical
switch on the joystick
Materials
and specifications subject to change without notice.