Specifications; Hydraulic System - Toro Groundsmaster 4300-D Service Manual

Specifications

Hydraulic System

Groundsmaster ® 4300-D
16226SL Rev C
Item
Piston (traction) pump
Maximum pump displacement (per
revolution)
Gear pump
Section P1 displacement (per revolution)
Section P2 displacement (per revolution)
Section P3 displacement (per revolution)
Section P4 displacement (per revolution)
Charge circuit relief (R5) pressure
Traction circuit relief pressure
Forward (R3)
Reverse (R4)
Bi-directional relief valve pressure
Front wheel motors
Displacement (per revolution)
Rear wheel motors
Displacement (per revolution)
Mow circuit relief pressure
Rear mow circuit (PRV1 at 1.2 A)
Front mow circuit (PRV2 at 0.8 A)
Cutting deck motor
Displacement (per revolution)
Cross over relief valve pressure
Steering valve
Displacement (per revolution)
Steering circuit relief (R10) pressure
Lift circuit relief (PRV at 0.87 A) pressure
R12 and R13 relief pressure
Hydraulic filter (charge and steering circuits)
Hydraulic filter (mow and lift circuits)
Hydraulic fluid
Hydraulic reservoir capacity
Sauer-Danfoss, LPV closed circuit axial
Casappa 4-section, positive displacement
Sauer-Danfoss steering unit, type OSPMS
Spin-on cartridge type with 340 kPa (50
Spin-on cartridge type with 340 kPa (50
psi) relief in adapter (filter adapter includes
Page 4–3
Description
piston design
35 cm³ (2.14 in³)
gear type pump
16.84 cm³ (1.03 in³)
16.84 cm³ (1.03 in³)
6.1 cm³ (0.37 in³)
3.9 cm³ (0.24 in³)
1,400 kPa (200 psi)
25,000 kPa (3,625 psi)
25,000 kPa (3,625 psi)
2,758 kPa (400 psi)
Eaton hydraulic
395 cm³ (24.1 in³)
Parker Hannifin
310 cm³ (18.9 in³)
17,500 kPa (2,500 psi)
24,100 kPa (3,500 psi)
Casappa gear motor
17.16 cm³ (1.05 in³)
12,500 kPa (1,813 psi)
100 cm³ (6.1 in³)
6,900 kPa (1,000 psi)
13,800 kPa (2,000 psi)
2,760 kPa (400 psi)
psi) relief in adapter
filter change indicator)
Refer to the Operator's Manual
45 L (12 US gallons)
Hydraulic System: Specifications