Hitachi ZW 180-6 Operator's Manual page 368

Recommended Tire Air Pressure (Bias ply tire)
Size Pattern
20.5-25-12PR L-3
20.5-25-16PR L-3
Adjust air pressure according to the job site conditions
Tire Sizes to be Used
Adjust tire pressure in conformity with the work mode the
machine is engaged in.
Consult your nearest authorized dealer or tire manufacturer for
more detailed information.
Driving on Public Roads: Standard Pressure
 Loading/excavation on normal ground surface: Standard
or slightly higher than standard pressure
 Heavy-duty excavation: Higher pressure in the standard
pressure range
 Operation on soft or sandy terrain: Slightly lower than
standard pressure
f
NOTE: Apply the same air pressure to snow tires.
For radial tires, tires with other patterns, or special operating
conditions consult the tire manufacture.
For liquid tire ballast consult your nearest authorized dealer
or the tire dealer.
MAINTENANCE
Air pressure
325 kPa
(3.25 kgf/cm )
2
(47 PSI)
325 kPa
(3.25 kgf/cm )
2
(47 PSI)
7-96