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TABLE 1-1 SPECIFICATIONS
(For Cast Iron Pump & Motor Only)
MODEL NUMBER
SM60R
SM160R
Required PTO Speed
540 rpm
1000 rpm
Pump Output
21.4 gpm
19.1 gpm
Motor Speed
1101 rpm
1182 rpm
Blade Tip Speed
17,300
18,570
ft./min.
ft./min.
Blade Type
1/2” x 3”
1/2” x 3”
Dble. Edge
Dble. Edge
Cutting Width
60”
60”
Max. Reach from
Center of Tractor
145”
145”
Transport Width
120-1/2”
120-1/2”
Weight
1580 lbs.
1580 lbs.
Hydraulic Oil Capacity
35 gal.
35 gal.
Maximum Hydraulic
3200 psi
3200 psi
System Pressure
Hitch Size
Cat. II Std.
Cat. II Std.
Cat. II & III
Cat. II & III
Quick Hitch
Quick Hitch
7
Motor
1102 RPM at
540 RPM
Relief Valve
3200 PSI
Pump 21.4 GPM
at 540 PTO RPM
Suction Strainer
Filter
10 Micron
with 15 PSI Bypass
SECTION II
PREPARATION FOR USE
2-1 MOUNTING CUTTER ON TRACTOR
A. Check air pressure in tractor tires.
IT IS CRITICAL FOR STABILITY THAT
TRACTOR TIRES CARRY PROPER PRES-
SURE. REFER TO TRACTOR OPERATOR’S
MANUAL.
B. Connect cutter to tractor 3-point hitch. Adjust
stabilizer bars, sway blocks, or chains. Refer to
tractor operator’s manual.
USE OF THIS MACHINE ON TOO SMALL A
TRACTOR CAN CAUSE TRACTOR UPSET.
DO NOT USE THIS MACHINE ON A TRAC-
TOR WEIGHING LESS THAN 6000 LBS.
(2722 KG) NOT INCLUDING BALLAST. IT IS
RECOMMENDED THAT FRONT BALLAST
BE USED FOR ADDED STEERING STABILI-
TY. THIS MACHINE REQUIRES 50 PTO
HORSEPOWER.
C. If valve kit is used, mount valves on tractor as
desired. If optional valve mounting brackets are
used, attach brackets and valve to tractor as
described in paragraph 5-6. Make certain all hoses
are free of sharp bends, creases, or moving parts. It
is recommended that valves be mounted on right
side of tractor.
D. Connect hoses to hydraulic quick disconnects
on rear of tractor.
E. Raise and lower implement to determine the
shortest distance between the tractor PTO shaft and
pump input shaft. Stop tractor leaving implement in
position of shortest distance. Block implement in
position.
CAUTON
CAUTON
Fig. 1-2 Hydraulic Circuit (Cast Iron Pump & Motor)
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