32
Rake raise/lower cylinder
Raise Lower
3WD circuit
Valve module
Torque generator
2WD-3WD changeover valve
IN
OUT
Input shaft
Output shaft
P
T
PF
G
10MPa
B1
A1
B
A
A
B
R
P
Front wheel motor
(2-100BS4S)
Drain
Piston pump
Reverse by pressurization
Branch metal
B2
P3
B1
S1
S2
T
1.0MPa
P1
P2
20.6MPa
4.9MPa
Engine
Motor for left rear wheel
(2-200BS4S)
B
Motor for right rear wheel
(2-200BS4S)
A
A
B
A3
A1
A2
B2
B1
B3
A
B
G2
G1
10. Hydraulic circuit diagram