PROBLEM TO BE SOLVED: To provide a combine harvester having a clutch for a reaping system and a clutch for carrying out grains, which can quickly control the engagement or disengagement of each clutch in a state little in misoperations.SOLUTION: The combine harvester is characterized by having a control means 101 for inhibiting the engagement of a clutch 50 for carrying out grains in a state that a reaping clutch 30 is engaged, or for switching the clutch 50 for carrying out the grains into a disengaged state, when the reaping clutch 30 is engaged in a state that the clutch 50 for carrying out the grains is engaged.COPYRIGHT: (C)2010,JPO&INPIT【課題】刈取系のクラッチと穀粒搬出用クラッチとを備えるコンバインにおける各クラッチの入り切り制御を誤操作少なく、かつ迅速に行えるようにする。【解決手段】刈取クラッチ30が入り状態であると前記穀粒搬出用クラッチ50の入りを阻止し、前記穀粒搬出用クラッチ50の入り状態で前記刈取クラッチ30が入り操作されると、これに伴って前記穀粒搬出用クラッチ50を切り状態に切換操作する制御手段101を備えた。【選択図】図12
