.
OPERATION
OPERATION
Clearing fallen stones and rocks from the operating area and maintaining the surface will extend the tire life and give
improved economy.
For operations on normal road surfaces, rock digging operations: High end of range in air pressure chart
Stockpile operations on soft ground: Average pressure in air pressure chart
Operations on sand (operations not using much digging force): Low end of range in air pressure chart
If the deflection of the tire is excessive, raise the inflation pressure within the limits given in the table to give a suitable
deflection (see deflection ratio).
Tire size
(Pattern)
H
Free height
(mm)
Inflation pressure [MPa (kgf/cm
2
, PSI)]
Soft ground
(sandy ground)
Normal road
When shipped
from factory
Stockpile Stockpile Digging
26.5-25-20PR
L3 Rock)
(Standard)
492(BS)
485(TOYO)
483(YOKOHAMA)
0.29 - 0.39
(3.0 - 4.0,
42.6 - 56.8)
0.34 - 0.44
(3.5 - 4.5,
49.7 - 63.9)
0.34 - 0.44
(3.5 - 4.5,
49.7 - 63.9)
Front tire: 0.44
(4.5, 63.9)
Rear tire: 0.34
(3.5, 49.7)
29.5-25-22PR
L3 Rock)
(Option)
529(BS)
531(TOYO)
0.29 - 0.39
(3.0 - 4.0,
42.6 - 56.8)
0.34 - 0.44
(3.5 - 4.5,
49.7 - 63.9)
0.34 - 0.44
(3.5 - 4.5,
49.7 - 63.9)
Stockpile operations mean the loading of sand and other loose
materials.
PRECAUTIONS FOR USING LOAD AND CARRY METHOD
When traveling continuously with load and carry operations, choose the correct tires to match the operating
conditions, or choose the operating conditions to match the tires. If this is not done, the tires will be damaged, so
contact your Komatsu distributor or tire dealer when selecting tires.
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