PROBLEM TO BE SOLVED: To solve a problem of a reverse mechanism arranged in an outer side part of a reaping input shaft in which a right/left width of a machine body is enlarged and a maintenance work becomes troublesome.SOLUTION: A combine includes: a reaping device 4 reaping grain culms in a field provided in a front part of a travel device 2 a threshing device 3 connected to the reaping device 4 by a conveyance elevator 14, in an upper part of the travel device 2 a grain tank 5 provided in a side part of the threshing device 3 a steering part 6 provided in a front part of the grain tank 5 a selection drive part 36 driving a selection part 35 of the threshing device 3 provided on an outer side of the machine body an intermediate shaft 25 transmitting drive force of an engine 20 to the selection drive part 36 a reverse shaft 37 rotating in a reverse direction to the intermediate shaft 25 provided in the selection drive part 36 a reverse drive part G transmitting reverse rotation of the reverse shaft 37 to a reaping input shaft 22 of the reaping device 4 and a normal drive part S transmitting drive of the engine 20 to the reaping input shaft 22 not via the reverse shaft 37.SELECTED DRAWING: Figure 3COPYRIGHT: (C)2018,JPO&INPIT【課題】逆転機構を、刈取入力軸の外側部に設けているので、機体の左右幅が大きくなり、また、メンテナンス作業が面倒になるという課題がある。【解決手段】走行装置2の前方に、圃場の穀稈を刈り取る刈取装置4を設け、走行装置2の上方に刈取装置4と搬送エレベーター14により接続された脱穀装置3を設け、脱穀装置3の側部にグレンタンク5設け、グレンタンク5の前方に操縦部6を設け、前記脱穀装置3の選別部35を駆動する選別駆動部36を機体外側に設け、選別駆動部36にエンジン20の駆動力を伝達する中間軸25を設け、選別駆動部36には中間軸25と反対方向に回転する逆転軸37を設け、逆転軸37の逆回転を刈取装置4の刈取入力軸22に伝動する逆転駆動部Gと、前記逆転軸37を介さずに刈取入力軸22にエンジン20の駆動を伝達する正転駆動部Sとを設けたコンバイン。【選択図】図3
