PROBLEM TO BE SOLVED: To hold a stand implement for a rotary tiller in such a state that contact interference with a tractor is not caused even when lifting the rotary tiller, and to prevent forgetting about placing the stand implement etc.SOLUTION: The rotary tiller includes: a supporting frame 14 having a tool bar with the longitudinal direction directed to the right and left directions at the rear end, and installed in a rear protruding state in a machine frame 4 of the rotary tiller and a mounting part 8 in which a ground contact part 50 freely demountably mounts the stand implement 7 long in the front and rear directions is provided in at least one side of right and left of the machine frame 4. A pair of right and left holding parts 9 are provided in the tool bar, and a part 53 which is to be held, and is freely demountably held in such a state that the longitudinal direction thereof is passed nearly along the tool bar in the holding parts 9 is installed in each of the right and left stand implements 7.COPYRIGHT: (C)2011,JPO&INPIT【課題】ロータリ耕耘機の上昇時にもトラクタへの接触干渉が起こらない状態で当該ロータリ耕耘機に対してスタンド具を保持できるようにし、もってスタンド具の置き忘れなどを防止できるようにする。【解決手段】ロータリ耕耘機の機枠4に、長手方向を左右方向へ向けたツールバーを後端に有する支持枠14が後方突出状に備えられ、機枠4の左右少なくとも一方側に、接地部50が前後方向に長いスタンド具7を着脱自在に取り付ける取付部8が設けられており、ツールバーに左右一対の保持部9が設けられ、左右各スタンド具7にその長手方向をツールバーに略沿わせた状態で保持部9に着脱自在に保持される被保持部53が設けられている。【選択図】図1