| 摘要 |
PROBLEM TO BE SOLVED: To provide a combine harvester, capable of improving the safety to an operator in manual threshing operation.SOLUTION: A combine harvester includes: an engine 20; a feed chain 13 for conveying grain straws to a threshing device 5; a gear box 100 which outputs a power from the engine 20 toward the feed chain 13 while shifting gears; and a control device 150 which controls the engine 20 and the gear box 100. The control device 150 executes, according to the vehicle speed or the operation position of a traveling operation lever 6H, a feed chain speed control for shifting the gears of the gear box 100; a mode switching control for switching a manual threshing mode to a valid state when a valid condition of the manual threshing mode is satisfied; an engine low-rotation control for reducing the engine rotating speed to a set rotating speed when the manual threshing mode is laid in the valid condition; and an engine emergency stop control for stopping the engine 20 when an emergency stop switch 168 is operated. |
