2 - 1
System Type
Full power hydrostatic with selectable 2-wheel, 4-
wheel and crab steer modes on 4 wheel steer
machines.
Oil supply from Main Hydraulic Pump via Priority Valve
to Steer Unit Valve complete with Load Sensing and
Integral Relief Valve.
Double acting power track rod rams mounted on axles.
2 Wheel Steer Machines
STEER UNIT - FIG 1
Model
200 OSPC
- Volumetric Displacement
200 cc/rev
- Relief Valve
Fitted
- Check Valve
Fitted
- Shock Valve
Fitted
- Relief Valve Operating Pressure (at 1500 revs/min)
120 ± 3 bar
122 ± 3.5 kgf/cm
2
1740 ± 50 lbf/in
2
-Shock Valve Operating Pressure
175 - 190bar 178 - 199 kgf/cm
2
2538 - 2756 lbf/in
2
Model
250 OSPC
- Volumetric Displacement
250 cc/rev
- Relief Valve
Fitted
- Check Valve
Fitted
- Shock Valve
Not Fitted
- Relief Valve Operating Pressure (at 1500 revs/min)
120 ± 3 bar
122 ± 3.5 kgf/cm
2
1740 ± 50 lbf/in
2
PRIORITY VALVE - FIG 2
-
Stand by Pressure
7 bar
7.1 kgf/cm
2
102 lbf/in
2
4 Wheel Steer Machines
STEER UNIT - FIG 1
Model
160 OSPC
- Volumetric Displacement
160 cc/rev
- Relief Valve
Fitted
- Check Valve
Fitted
- Shock Valve
Fitted
- Relief Valve Operating Pressure (at 1500 revs/min)
120 ± 3 bar
122 ± 3.5 kgf/cm
2
1740 ± 50 lbf/in
2
- Shock Valve Operating Pressure
175 - 190bar 178 - 199 kgf/cm
2
2538 - 2756 lbf/in
2
PRIORITY VALVE - FIG 2
-
Stand by Pressure
7 bar
7.1 kgf/cm
2
102 lbf/in
2
Section H
9803/3280
Section H
2 - 1
Issue 1
Technical Data
LS
LS
EF
P
LS
FIG 1
FIG 2
A263810
A263820
