| 摘要 |
PROBLEM TO BE SOLVED: To realize high horse power operation under a designated condition, in both traveling and in working. SOLUTION: The engine rotating speed is set according to one from among a first target rotating speed characteristic suitable for travel determined according to the actuating amount of an accelerator pedal 22, a second target rotating speed characteristic suitable for work determined according to the actuating amount of the accelerator pedal 22, or a third target rotating speed characteristic suitable for work determined according to a control input of a fuel lever 55a. When a high horse power operation mode is set during traveling and with, the traveling load being larger than a designated value, and the accelerator pedal 22 being operated fully, the engine rotating speed at according to the first target rotating speed characteristic is increased. When the high horse power operation mode is set during operation, with the operation load being larger than a designated value and the fuel lever being operated fully, the engine rotating speed set according to the third target rotating speed characteristic is increased. The second rotating speed characteristic is set to the engine rotating speed, when the accelerator pedal 22 is operated fully is more than a value set and is increased according to the third rotating speed characteristic.
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