| 摘要 |
PROBLEM TO BE SOLVED: To approach a longitudinal directional central position of a grounding surface of a traveling part to a car body gravity center position after installing a working machine by positionally changing a front side driven wheel forward and a rear side driven wheel backward relative to a driving wheel. SOLUTION: A working vehicle A can detachably install a snow removing machine B in front and a cultivator in rear. Here, a driving wheel 15 of the working vehicle A is arranged in a rear position more than a central position between front/rear side driven wheels 11, 13, but while the front side driven wheel 11 can be positionally changed forward relative to a driving wheel 15, the rear side driven wheel 13 is formed so as to be positionally changeable backward relative to the driving wheel 15. Thus, when installing the snow removing machine B in a front end part or the cultivator in a rear end part since a car body gravity center position moves forward or backward, a position of the driven wheels 11, 13 is changed, and a longitudinal directional central position of a grounding surface of traveling parts 1, 1 is approached to the car body gravity center position to excellently secure a longitudinal balance of a car body.
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