It is desired to be able to prevent litter scraps and the like from falling on the exhaust pipe and the secondary throwing device.SOLUTION: The threshing device 4 has a threshing device 4 located on one lateral side of the body of the grain storage portion, a second throwing device 26 for reducing and conveying the second thing collected by the threshing device 4 to the front portion of the threshing device 4, An engine 7 located below the driving section and an exhaust pipe 35 for discharging the exhaust gas from the engine 7 to the outside of the airframe, and the exhaust pipe 35 is provided between the grain storage section and the threshing apparatus 4 at the second And a cover 50 covering the side of the exhaust pipe 35 and the side of the grain reservoir side of the exhaust pipe 35 is provided, and the cover 50 of the exhaust pipe 35 The lower end of the lateral cover portion 52 covering the side of the grain storage portion side is extended to the upper end portion of the second throwing device 26.(FIG.【課題】排気管や二番物還元装置にワラ屑等が降りかかるのを防止できるようにすることが望まれていた。【解決手段】穀粒貯留部の機体横一側に位置する脱穀装置4と、脱穀装置4で回収された二番物を脱穀装置4の前側部分に還元搬送する二番物還元装置26と、運転部の下方に位置するエンジン7と、エンジン7からの排ガスを機体外部に排出する排気管35とが備えられ、排気管35が、穀粒貯留部と脱穀装置4との間を、二番物還元装置26の上方を通過する状態で通されており、排気管35の上方及び排気管35の穀粒貯留部側の側方を覆うカバー50が備えられ、カバー50のうち排気管35の穀粒貯留部側の側方を覆う横カバー部52の下端は、二番物還元装置26の上端部まで延ばされている。【選択図】図3
