| 摘要 |
PROBLEM TO BE SOLVED: To provide a traveling control device of a working vehicle capable of realizing an excellent turning run by selecting and executing the control mode suitable for the situation according to the difference in the set selection condition when a vehicle makes a turning run. SOLUTION: When a turn in the left direction is commanded, a condition is changed, in which the output of a continuously variable transmission 8 for turning is transmitted to a left traveling device. When a turn in the right direction is commanded, a condition is changed, in which the output of the continuously variable transmission 8 for turning is transmitted to a right traveling device. The rotational speed control in which the output rotational speed of the continuously variable transmission 8 for turning reaches the target output rotational speed, and the speed change position control in which the operational position of an object to be operated in the continuously variable transmission 8 for turning reaches the target speed change position are selected and executed based on the set selection condition. COPYRIGHT: (C)2005,JPO&NCIPI
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