Transmission - Hitachi ZW180 Technical Manual

TRANSMISSION

The transmission functions to transform the rotation
speed and rotation direction of the output power
transmitted from the torque converter.
The transmission consists of four clutch shaft
assemblies, the reverse gear, output shaft, parking
brake, control valve, and others.
The relief valve is installed at the inlet part of the
hydraulic oil for the torque converter, and relieves oil
more than required into the converter housing.
1st / 2nd
Speed Clutch
COMPONENT OPERATION / Drive Unit
Forward
Clutch
Transmission Gear Layout
(Viewed from Machine Front）
Input
Idler Gear
Output
T3-9-4
Reverse
Gear
Reverse
Clutch
3rd / 4th Speed
Clutch
T4GC-03-09-002