PROBLEM TO BE SOLVED: To improve safety of maintenance operation by reliably stopping a machine body when performing inspection and maintenance by driving only a reaping device.SOLUTION: A combine harvester includes: the reaping device (6) capable of shifting gears of driving speed without steps and a running machine (3) for shifting gears of running speed according to an operation position of a gear shifting device (10), and drives the reaping device (6) at high speed as the running speed of the running device (3) increases, and includes a gear shifting position detector (10a) for detecting a gear shifting position of the gear shifting device (10) so as to shift to a reaping maintenance operation mode that can drive only the reaping device (6) when a neutral state of the gear shifting device (10) is detected.COPYRIGHT: (C)2012,JPO&INPIT【課題】刈取装置のみを駆動して整備点検を行う場合に、機体を確実に停止させて整備作業の安全性を向上させる。【解決手段】駆動速度を無段階に変速可能な刈取装置(6)と、変速手段(10)の操作位置に応じて走行速度を変速する走行装置(3)を設け、走行装置(3)の走行速度が増速するほど刈取装置(6)を高速で駆動する構成としたコンバインにおいて、変速手段(10)の変速操作位置を検出する変速位置検出手段(10a)を設け、変速手段(10)の中立状態が検出されると刈取装置(6)のみを駆動可能にする刈取整備運転モードに移行可能な構成とする。【選択図】図4