PROBLEM TO BE SOLVED: To provide a flail mower capable of conducting stems/leaves-treating operations in high accuracy while preventing causing vibrations as well as enabling normal mowing operations.SOLUTION: The flail mower includes a first cutting tine 26 detachable from one of tine fitments 22 of a rotating shaft 21 and a second cutting tine 27 detachable from the other tine fitment 22 and smaller than the first cutting tine 26, and also includes a balancing weight 28 with a weight corresponding to the weight difference between the first cutting tine 26 and the second cutting tine 27. In conducting a mowing operation, the first cutting tine 26 is fitted onto the tine fitment 22. In conducting a stems/leaves-treating operation, the first cutting tine 26 is fitted onto one of the tine fitments 22 and the second cutting tine 27 and the balancing weight 28 are fitted onto the other tine fitment 22.COPYRIGHT: (C)2009,JPO&INPIT【課題】通常の草刈作業ができるばかりでなく、振動発生を防止しつつ、精度良く茎葉処理作業ができるフレールモアを提供する。【解決手段】フレールモアは、回転軸体21の爪被取付部22に対して着脱可能な第1刈爪26と、爪被取付部22に対して着脱可能で第1刈爪26よりも小さい第2刈爪27とを備える。フレールモアは、第1刈爪26と第2刈爪27との重さの差に応じた重さのバランスウエイト28を備える。草刈作業時には、爪被取付部22には第1刈爪26を取り付ける。茎葉処理作業時には、一の爪被取付部22には第1刈爪26を取り付け、他の爪被取付部22には第2刈爪27およびバランスウエイト28を取り付ける。【選択図】図2