PROBLEM TO BE SOLVED: To provide a combine having an upper cover and a waste straw transfer device which can be easily opened.SOLUTION: In a connect state where an upper frame 40 and a waste straw frame 50 are connected via a connection mechanism 87, the upper frame 40 and the waste straw frame 50 can be upwardly swung by a hydraulic cylinder 41. In a connect release state where the connect state is released, only the upper frame 40 among the upper frame 40 and the waste straw frame 50 can be upwardly swung by the hydraulic cylinder 41.SELECTED DRAWING: Figure 9