Hitachi ZW140-6 Operator's Manual page 345

Applicable Tire Size
f
NOTE: Consult your authorized Hitachi 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
Model
Tire
Standard Size Radial
Standard
Radial
Air Pressure
Standard Tire Radial
Bias Ply 20.5-25-12PR L2
Optional Bias Ply 17.5-25-12PR L2
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 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:
Standard air pressure adjustment range: 400 to 450 kPa
MAINTENANCE
ZW140-6 ZW150/150PL-6
20.5R25 20.5R25
400 kPa
400 kPa
(58 PSI)
(58 PSI)
20.5R25 L3 20.5R25 L3
20.5-25-12PR L2
-
17.5R25 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
(58 to 65 PSI)
7-93