| 摘要 |
PROBLEM TO BE SOLVED: To provide a combine harvester where malfunction of an auto-set switch and an autolift switch can be prevented. SOLUTION: When a combine harvester has a traveling unit under a chassis frame and has a vertically movable reaping unit in the front end of the chassis frame, the combine harvester of this invention is equipped with an auto-set switch 122 for letting down the reaping unit to a preferred lower position, an autolift switch 123 for making the reaping unit ascend up to a preferred upper position and an automatic operation-changing over switch for changing over the switching operations of both switches 122 and 123 between a valid state and an invalid one.
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