PROBLEM TO BE SOLVED: To provide a riding type paddy field working machine allowing a travelling machine body to move by operating an external operating lever for promptly stopping.SOLUTION: The riding type paddy field working machine includes: the external operating lever 63 for operating a brake mechanism 11 in which a brake pedal 26 is operated at a front position of the travelling machine and forcible stopping means E for stopping an engine 5 forcibly by moving upward the external operating lever 63.COPYRIGHT: (C)2013,JPO&INPIT【課題】外部操作レバーを操作して走行機体を移動させる状況で移動を迅速に停止させ得る乗用型水田作業機を構成する。【解決手段】ブレーキペダル26を走行機体の前部位置から操作することでブレーキ機構11を操作する外部操作レバー63を備え、この外部操作レバー63を上方に操作することでエンジン5を強制的に停止させる強制停止手段Eを備えた。【選択図】図7