PROBLEM TO BE SOLVED: To solve a problem in which conventionally a structure and control become complicated due to a constitution for operating all of a front side clutch for usual work, a rear side clutch for hand work and further a reaping clutch, by independent motors.SOLUTION: A combine is configured as follows: an information guide 20 is provided in a horizontally turning manner in the starting end upper part of a front side feed chain 16 from a starting end of a pinching bar 17 of a grain culm supplying conveying device 15 for supplying and conveying the grain culm reaped by a reaping device 4 to a threshing chamber 11 of a threshing device 3 the information guide 20 is made to retreat upward and enables charging of the hand reaping grain culm a hand threshing state detection unit 22 for detecting a hand reaping grain culm supply state is provided a reaping clutch 26 and a chain drive on/off clutch 27 is configured to be turned on/off by one motor 28 the reaping clutch 26 and the chain drive on/off clutch 27 are shut off during stoppage and reverse traveling of a machine body and the reaping clutch 26 and the chain drive on/off clutch 27 are connected when the hand threshing state detection unit 22 detects a hand threshing state during stoppage of the machine body.SELECTED DRAWING: Figure 3COPYRIGHT: (C)2017,JPO&INPIT【課題】従来、通常作業用の前側クラッチと手扱ぎ作業の後側クラッチと、更に刈取クラッチとを、全て独立したモータにより作動する構成のため、構造および制御が複雑となる課題がある。【解決手段】刈取装置4により刈り取った穀稈を脱穀装置3の扱室11に供給搬送する穀稈供給搬送装置15の挾扼杆17の始端部よりも前側のフィードチェン16の始端部上方に案内ガイド20を横軸回動自在に設け、案内ガイド20を上方に退避させて手刈り穀稈の投入を可能とし、手刈り穀稈供給状態を検出する手扱ぎ状態検出部22を設け、刈取クラッチ26とチェン駆動入切クラッチ27は1個のモータ28により入切させる構成とし、機体停止時および後進時は刈取クラッチ26とチェン駆動入切クラッチ27を遮断し、機体停止時に前記手扱ぎ状態検出部22が手扱ぎ状態を検出すると、刈取クラッチ26およびチェン駆動入切クラッチ27を接続するように構成したコンバイン【選択図】図3