Toro 30603 Lawn Mower User Manual


 
Groundsmaster 4000--D/4010--D Hydraulic SystemPage 4 -- 3
Specifications
Item Description
Piston (Traction) Pump Sauer--Danfoss Variable Displacement Axial Piston Pump
Maximum Displacement (per revolution) 2.75 in
3
(45 cc)
System Relief Pressure: Forward 4350 PSI (300 bar)
System Relief Pressure: Reverse 5000 PSI (345 bar)
Charge P ressure 250PSI(17bar)
Front Wheel Motors Sauer--Danfoss 2--Position Axial Piston Mo tors
Displacement (per revolution) 1.19 in
3
(19.55 cc) Maximum / 0.64 in
3
(10.55 cc) Minimum
Rear Axle Motor Sauer--Danfoss 2--Position Axial Piston Mo tor
with Loop Flushing Valve
Displacement (per revolution) 2.14 in
3
(35.00 cc) Maximum / 1.16 in
3
(18.99 cc) Minimum
Gear Pump Casappa 4 Section, Positive Displacement Gear pump
Section P1/P2 Displacement (per revolution) 1.29 in
3
(21.14 cc)
Section P3 Displacement (per revolution) 0.40 in
3
(6.6 cc)
Section P4 Displacement (per revolution) 0.30 in
3
(4.96 cc)
Steering Control Valve Eaton Steering Unit, Series 5
Displacement (per revolution) 6.1 in
3
(100 cc)
Steering Circuit Relief Pressure 1350 PSI (93 bar)
Lift/Lower Circ uit Relief Pressure 1600 PSI (110 bar)
Cutting Deck Motors Gear Motor
Displacement (per revolution) 1.17 in
3
(19.2 cc)
PTO Circuit Relief Pressure
Front and Left Side 3000 PSI (207 bar)
Right Side 2000 PSI (138 bar)
Engine Cooling Fan Motor Casappa Gear Motor
Displacement (per revolution) 0.51 in
3
(8.4 cc)
Engine Cooling Fan Circuit Relief Pressure 3250 PSI (224 bar)
Hydraulic Filters Spin--on Cartridge Type
In--line Suction Strainer 100Mesh(InReservoir)
Hydraulic Reservoir 7.75 U.S. Gallons (29.3 Liters)
Hydraulic Oil See Operator’s Manual
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