Toro Groundsmaster 580-D Service Manual page 146

Specifications
Item
Traction Drive Pump
Main relief pressure
Charge relief pressure (Pump S/N below A--96--01--XXXXX)
Charge relief pressure (Pump S/N above A--96--01--XXXXX)
Front Wheel Motor (2 used)
PTO (Deck Drive) Pump
PTO (Deck Drive) Valve Block
Relief pressure (3 relief valves: front deck, right deck, left deck)
Deck Drive Motor (3 used)
Lift Control Valve
Lift circuit relief pressure (S/N below 240000000)
Lift circuit relief pressure (S/N above 240000000)
NOTE: Lift pressure when measured at the LIFT test port is
Lift Circuit Relief Pressure + Counterbalance Pressure
Float/Traction Assist Manifold Block
Counterbalance pressure
"Traction Plus" counterbalance pressure
"Traction Plus" shift pressure
Lift/Steering Pump
Steering relief pressure
Steering Control
Hydraulic Oil
Reservoir Capacity
System Capacity
Oil Filter
Figure 27
1. Hydraulic Oil Level Sight Glass
2. Reservoir Fill Cap
Specifications
with servo assisted manual displacement control (MDC)
Mow/Transport speed, elec./hyd. solenoid actuated
Toro, cartridge logic, elec./hyd. solenoid actuated
Refer to Operator's Manual for hydraulic oil recommendations
Screw--on cartridge type, 5 micron, 50 psi (3.4 bar) bypass
Note: When measuring lift circuit relief pressure,
counterbalance pressure, and "Traction Plus" counter-
balance pressure on machines with serial numbers
above 250000000, pressures will be approximately 125
psi (8.6 bar) higher than the specifications listed above.
Refer to the Testing section in this chapter for detailed
information.
Rev. F
Page 4 - - 2
Description
Variable displacement axial piston pump
5000 + 250 psi (344.8 + 7.2 bar)
230 + 10 psi (15.9 + .7 bar)
285 + 10 psi (15.9 + .7 bar)
Variable displacement axial piston motor
Two section, external gear type
3000 to 3200 psi (206.9 to 220.7 bar)
External gear type
1500 + 50 psi (103.4 + 3.4 bar)
2000 + 50 psi (137.9 + 3.4 bar)
Toro, cartridge logic
400 + 25 psi (27.6 + 1.7 bar)
600 + 25 psi (41.4 + 1.7 bar)
2000 + 50 psi (137.9 + 3.4 bar)
External gear type w/priority flow divider
1500 + 50 psi (103.4 + 3.4 bar)
Hydraulic power steering control unit
32 U.S. gallon (121.1 liter)
40 U.S. gallon (151.4 liter)
Groundsmaster 580--D
3 spool