PROBLEM TO BE SOLVED: To dispose an operating lever for a narrow guide without impairing a function of a dust-proofing cover.SOLUTION: A combine includes a reaping unit 4 comprising a raising device 9 for raising grain culm after the grass-dividing, a reaping device 10 for reaping the grain culm after the raising, and a conveying device 12 for conveying the grain culm after the reaping to a backward threshing unit 3. The combine is characterized by: providing a dust-proofing cover 31 for covering the upper part of the conveying device 12 and capable of being freely opened and closed at the side of a drivers seat 5 providing a narrow guide 16 capable of switching between a grass-dividing posture protruding to the outside and a storage posture for being stored to the machine body side in the lateral side of the un-reaped field side of the reaping unit 4 and disposing the narrow guide 16 in a storage state of covering an operating lever 18 with the dust-proofing cover 31 for performing remote control by cooperation means of operation wire 22, etc.SELECTED DRAWING: Figure 7COPYRIGHT: (C)2018,JPO&INPIT【課題】防塵カバーの機能を損ねることなくナローガイド用操作レバーを配置する。【解決手段】 分草後の穀稈を引き起す引起し装置9と引起し後の穀稈を刈り取る刈取装置10と刈取後の穀稈を後方の脱穀部3まで搬送する搬送装置12からなる刈取部4を備えたコンバインにおいて、運転席5の側方に前記搬送装置12の上方を覆う開閉自在な防塵カバー31を設け、刈取部4の未刈地側の横側部には、外側方に張り出す分草作用姿勢と機体側に収納する収納姿勢とに切替可能なナローガイド16を設け、該ナローガイド16を操作ワイヤ22等の連携手段で遠隔操作する操作レバー18を防塵カバー31で覆う収納状態に配置する。【選択図】 図7