Service Manual

Topdresser 1800 & 2500Hydraulic System Page 3 – 2
Specifications
Item Description
Brush Motor Eaton orbital rotor motor, A Series
Displacement (per revolution) 2.3 Cubic Inches (38 cc)
Conveyor Motor Eaton orbital rotor motor, 2000 Series
Displacement (per revolution) 29.8 Cubic Inches (488 cc)
Wheel Motor (Pump) (Topdresser 2500) White Hydraulics orbital rotor motor, HB Series
Displacement (per revolution) 5.4 Cubic Inches (89 cc)
System Relief Pressure (Topdresser 2500) 1500 PSI (103 bar) (Before Serial Number 240000000)
1325 PSI (91 bar) (After Serial Number 240000000)
Charge Motor/Pump (Topdresser 2500) Haldex–Barnes gear motor/charge pump
Motor Displacement (per revolution) 0.831 Cubic Inches (13.6 cc)
Pump Displacement (per revolution) 0.232 Cubic Inches (3.8 cc)
Charge Relief Pressure (Topdresser 2500) 80 PSI (5.5 bar) (Before Serial Number 240000000)
100 PSI (6.9 bar) (After Serial Number 240000000)
Hydraulic Tank Capacity (Topdresser 2500) 2.5 Gal. U.S. (9.5 L)
Hydraulic Filter (Topdresser 2500) Spin–on cartridge type
Hydraulic Oil See Operator’s Manual
Hydraulic Schematics
The hydraulic schematics for Topdresser machines are
located in Chapter 6 – Foldout Diagrams.