| 摘要 |
PROBLEM TO BE SOLVED: To shift a gear to a speed change state in response to the harvesting state without the trouble of a gear shift. SOLUTION: In the running transmission of this harvester in which a main transmission and sub-transmission are provided gear-shiftably by an artificial operation type operation means 62 provided separately for each, harvesting state judging means 60, S1 for judging the harvesting state are provided and based on the judging information of this judging means 60,S1, an automatic speed change means 60 for speed changing the sub-transmission automatically is provided so as to be the decided speed change state corresponding to the harvesting state.
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