Hitachi ZW 120-6 Operator's Manual page 303

Applicable Tire Size
f
NOTE: Consult your nearest authorized dealer for tread
pattern of optional tires.
The machine may vibrate while driving depending on the
tread pattern of tires. This is a sympathetic vibration due to
tread pattern, not a malfunction.
Applicable Tire Size
Standard Tire Size Bias
Standard Tire Bias
Bias
Standard Air
Pressure
Radial
Bias
Bias
Optional
Bias
Radial
f
NOTE: Adjust air pressure according to the size and type
of tires provided in the table above regardless of the tread
pattern.
Adjust tire pressure in conformity with the work mode the
machine is engaged in.
Consult your nearest authorized dealer for more detailed
information.
 Driving on Public Roads:
 Loading/excavation on normal
ground surface:
 Heavy-duty excavation:
 Operation on soft terrain or
sandy territory:
MAINTENANCE
17.5-25-12PR
17.5-25-12PR L2
17.5-25-12PR L2
350 kPa (3.5 kgf/cm 2 , 50 psi)
—
—
—
—
17.5 R25 L2
... Standard pressure
... Standard or slightly
higher than standard
pressure
... Higher pressure in
the standard pressure
range
... Radial ply tire: Stand
pressure
Bias ply tire: Slightly
lower than standard
pressure
7-85