Specifications
Item
Piston (Traction) Pump
Maximum Displacement (per revolution)
System Relief Pressure: Forward
System Relief Pressure: Reverse
Charge Pressure
Front Wheel Motors
Displacement (per revolution)
Rear Axle Motor
Displacement (per revolution)
Gear Pump
Section P1/P2 Displacement (per revolution)
Section P3/P4 Displacement (per revolution)
Steering Control Valve
Displacement (per revolution)
Steering Relief Pressure
Lift/Lower Relief Pressure
Cutting Deck Motors
Displacement (per revolution)
Cutting Deck Circuit Relief Pressure
Engine Cooling Fan Motor
Displacement (per revolution)
Engine Cooling Fan Circuit Relief Pressure
Hydraulic Filters
In--line Suction Strainer
Hydraulic Reservoir Capacity
Hydraulic Oil
NOTE: The pressure specifications listed above are
component settings. When using pressure gauges to
measure circuit pressures, values may be different than
these specifications. See the Testing section of this
chapter for hydraulic test procedures and expected test
results.
Hydraulic System
Sauer--Danfoss Variable Displacement Axial Piston Pump
Sauer--Danfoss 2--Position Axial Piston Motors
3
1.83 in
3
2.32 in
Casappa 4 section, positive displacement gear type pump
Page 4 - - 2
4350 PSI (300 bar)
5000 PSI (345 bar)
3
(30 cc) Maximum / 0.89 in
(14.6 cc) Minimum
Sauer--Danfoss 2--Position Axial Piston Motor
with Loop Flushing Valve
3
(38 cc) Maximum / 1.13 in
(18.5 cc) Minimum
1.03 in
0.56 in
Sauer--Danfoss Steering Unit, Series OSPM
1050 PSI (72 bar)
1600 PSI (110 bar)
Casappa Gear Motor
3500 PSI (241 bar)
Casappa Gear Motor
3000 PSI (207 bar)
Spin--on cartridge type
100 mesh (in reservoir)
7.5 U.S. Gallons (28.4 Liters)
See Traction Unit Operator's Manual
Groundsmaster 4500--D/4700--D
Description
3
2.75 in
(45 cc)
250 PSI (17 bar)
3
(16.85 cc)
3
(9.16 cc)
3
6.1 in
(100 cc)
3
1.16 in
(19 cc)
3
0.50 in
(8.3 cc)