| 摘要 |
PROBLEM TO BE SOLVED: To efficiently harvest underground crops and the like with no damage. SOLUTION: The tractor 1 is equipped with the setting platform 2 on the front part so that it may be movable in the cross direction. Further, a support 3 is rotatably attached to the setting platform 2, and an arm 5 is set to this support 3 at the upper position so that it may be vertically swingable. At the same time, the setting platform 2 together with the seat freely movable in the cross direction and the manual operating device are installed on the front side of the support 3.
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