PROBLEM TO BE SOLVED: To achieve a one-wheeled walking type rice transplanter capable of operating a hydraulic operation device while stabilizing the machine body by both hands, and improving the operability of the hydraulic operation device.SOLUTION: The one-wheeled walking type rice transplanter is equipped with the hydraulic operation device 182 arranged near a right or a left gripping part 15a of maneuvering handles 15 for operating hydraulic device 12 mounted to the traveling machine body 1.COPYRIGHT: (C)2009,JPO&INPIT【課題】両手で機体を安定させながら油圧操作具を操作でき、油圧操作具の操作性を向上できる一輪式歩行型田植機を実現する。【解決手段】一輪式歩行型田植機において、操縦ハンドル15の右又は左の握り部15aの近傍に、走行機体1に装備された油圧機器12を操作する油圧操作具182を備えてある。【選択図】図1