Page 4 – 2Hydraulic System
Sand Pro & Infield Pro 3040/5040
Specifications
Item Description
Hydrostatic Transmission Sauer–Danfoss (Sundstrand),
Variable displacement piston pump, In–Line type
Axial Piston Design, Model Series 15
Maximum Pump Displacement 0.913 in
3
/rev (15.0 cm
3
/rev)
Maximum Pump Flow Rate (98% efficiency @ 3400 RPM) 13.2 GPM (50.0 LPM)
Charge Pump Gerotor Pump in Hydrostat
Charge Pump Displacement 0.33 in
3
/rev (5.4 cm
3
/rev)
Charge Pump Flow Rate (60% efficiency @ 3400 RPM) 2.9 GPM (11.0 LPM)
Charge Relief Setting 135 PSI (9.3 bar)
Implement Relief Setting 1100 PSI (75.9 bar)
Traction Relief Setting 3200 PSI (220.7 bar) in Forward Direction
Wheel Motors Orbital rotor motor
Front Wheel Motor Displacement 17.1 in
3
/rev (280 cm
3
/rev)
Rear Wheel Motor Displacement 8.6 in
3
/rev (141 cm
3
/rev)
Steering Control Valve (Sand Pro 5040 & Infield Pro 5040) Sauer–Danfoss Steering Unit, Type OSPM
Hydraulic Tank Capacity 5 US gallons (18.9 liters)
Hydraulic Filter 10 Micron (nominal) spin on cartridge type
Hydraulic Oil See Traction Unit Operator’s Manual
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