PROBLEM TO BE SOLVED: To provide a thresher which comprises a shaking separator capable of adjusting separation capacity of processed products according to the amount of processed products, and can automatically set an adjustment range of the separation capacity of the shaking separator according to a type of a crop.SOLUTION: A thresher comprises: a shaking separator 26 for separating processed products threshed by a threshing cylinder 19 an operation tool 71 and a control unit 50 for adjusting a separation function of the shaking separator 26 by an actuator 61 on the basis of operation of the operation tool 71. Crop detection means 72 for detecting a type of a processed crop is provided in the thresher. The control unit 50 has an individual adjustment mode for changing the adjustment range of the separation function by the operation tool 71 according to the crop type detected by the crop detection means 72.SELECTED DRAWING: Figure 9
