PROBLEM TO BE SOLVED: To provide a combine-harvester capable of turning the front part of a mowing pretreatment device repeatedly.SOLUTION: A rear part of the left wall of a feeder house (5A) of a mowing pretreatment device (5) is turnably connected to a first bearing member (11) erected on an airframe frame (2), and a vertically extending second support member (15) is connected to the rear part of the right wall of the feeder house (5A). The lower portions of the first bearing member (11) and the second support member (15) are connected by a coupling rod (20). A roller (16) for rolling the upper face of the airframe frame (2) is mounted in the lower part of the second support member (15).SELECTED DRAWING: Figure 7COPYRIGHT: (C)2017,JPO&INPIT【課題】刈取前処理装置の前部を左右方向に繰り返して回動することができるコンバインを提供する。【解決手段】刈取前処理装置(5)のフィーダハウス(5A)の左壁の後部を機体フレーム(2)に立設する第1支持部材(11)に回転自在に連結し、フィーダハウス(5A)の右壁の後部に上下方向に延在する第2支持部材(15)を連結し、第1支持部材(11)と第2支持部材(15)の下部を連結棒(20)で連結し、第2支持部材(15)の下部に機体フレーム(2)の上面を転動するローラ(16)を設けることにより解決される。【選択図】図7