| 摘要 |
PROBLEM TO BE SOLVED: To safely adjust a wheel tread width of a working vehicle. SOLUTION: In this working vehicle, a controller 14 is provided with a storage means for storing a tread set width during previous work also when the turning off an engine when a tread adjusting on/off-switch SW2 is automatically turned on during the previous work, a tread adjusting on/off-switch automatically maintaining a means for maintaining the automatic on-state of the tread adjusting on/off-switch SW2 when the tread set width when supplying power this time is the same as that during the previous work, and a tread adjusting on/off-switch automatically releasing means for releasing the automatic on-state of the tread adjusting on/off-switch SW2 when the tread set width of this time is different from that during a previous time. COPYRIGHT: (C)2009,JPO&INPIT
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