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Rev. B
Sand Pro 2020/3020/5020Hydraulic System Page 4 – 2
Specifications
Item Description
Hydrostatic Transmission Variable displacement piston pump
Pump Displacement 0.913 in
3
/rev (15.0 cm
3
/rev)
Pump Flow Rate (@ 3150 RPM) 12.5 GPM (47.2 LPM)
Maximum Continuous Rated Speed 4000 RPM
Maximum Intermittent Rated Speed 4200 RPM
Maximum Operating Pressure 2500 PSI (175 bar)
Maximum Intermittent Pressure 4500 PSI (310 bar)
Charge Pump Displacement 0.33 in
3
/rev (5.4 cm
3
/rev)
Charge Pump Flow Rate (@ 3150 RPM) 4.5 GPM (17.0 LPM)
Charge Relief Setting 90 to 180 PSI (4.8 to 10.4 bar)
Maximum Inlet Vacuum 5 inch Hg
Maximum Continuous Case Pressure 10 PSI (0.7 bar)
Maximum (Cold Start) Case Pressure 25 PSI (1.7 bar)
Implement Relief Setting 700 to 800 PSI (48.3 to 55.2 bar)
Right Wheel Motors (SP 2020/SP 3020) Orbital rotor vane with shuttle valve
Motor Displacement 7.8 in
3
/rev (127.8 cm
3
/rev)
Maximum Operating Pressure 2000 PSI (138 bar)
Maximum Intermittent Pressure 3000 PSI (207 bar)
Maximum Flow 20 GPM (76 LPM)
Rated Speed @ Maximum Flow 583 RPM
Right Wheel Motors (SP 5020) Orbital rotor vane with reverse timed manifold and shuttle valve
Motor Displacement 8.6 in
3
/rev (140.1 cm
3
/rev)
Maximum Operating Pressure 2000 PSI (138 bar)
Maximum Intermittent Pressure 3000 PSI (207 bar)
Maximum Flow 20 GPM (76 LPM)
Rated Speed @ Maximum Flow 530 RPM
Left Wheel Motors (SP 2020/SP 3020) Orbital rotor vane
Motor Displacement 7.8 in
3
/rev (127.8 cm
3
/rev)
Maximum Operating Pressure 2000 PSI (138 bar)
Maximum Intermittent Pressure 3000 PSI (207 bar)
Maximum Flow 20 GPM (76 LPM)
Rated Speed @ Maximum Operating Pressure and Rated Flow 583 RPM
Left Wheel Motors (SP 5020) Orbital rotor vane
Motor Displacement 8.6 in
3
/rev (140.9 cm
3
/rev)
Maximum Operating Pressure 2000 PSI (138 bar)
Maximum Intermittent Pressure 3000 PSI (207 bar)
Maximum Flow 20 GPM (76 LPM)
Rated Speed @ Maximum Flow 530 RPM
Front Wheel Motor (SP 3020) Orbital rotor motor
Motor Displacement 5.0 in
3
/rev (81.9 cm
3
/rev)
Maximum Operating Pressure 3000 PSI (207 bar)
Maximum Intermittent Pressure 4000 PSI (276 bar)
Maximum Flow 12 GPM (45 LPM)
Rated Speed @ Maximum Flow 693 RPM
Front Wheel Motor (SP 5020) Orbital rotor vane with reverse timed manifold
Motor Displacement 17.1 in
3
/rev (280.3 cm
3
/rev)
Maximum Operating Pressure 2000 PSI (138 bar)
Maximum Intermittent Pressure 3000 PSI (207 bar)
Maximum Flow 25 GPM (95 LPM)
Rated Speed @ Maximum Flow 334 RPM
Hydraulic Filter 25 Micron spin on cartridge type
Hydraulic Oil See Check Hydraulic System Fluid in General section
Hydraulic Tank Tank capacity 3.0 gal. U.S. (20.8 L)