A securely locked can be that the movement of the running wheel.SOLUTION: The traveling wheels 4L, 4R, the operating handle 17, the tilling claw 6, the engine 15 for rotating the traveling wheel and the tilling claw, the transmission mechanism for transmitting the driving force of the engine to the running wheel and the cultivating claw built-in the transmission case 2, one end portion outwardly protrudes from the transmission mechanism, a traveling second shaft 40 the parking brake groove 41a is provided at one end, which can be fitted into the parking brake groove 41a parking brake pin has 301, the parking brake on-off device 310 which performs switch whether to prevent the rotation of the running second axis, relative to the parking brake on-off device to prevent the rotation of the running second axis operation and the parking brake applied operation lever 70 for performing, with a parking brake applied operating lever is provided on the operating handle, the parking brake by operating the parking brake applied operating lever Pin 301 is fitted traveling second axis of motion to the parking brake groove 41a is locked, walk-behind tiller.(FIG.【課題】走行車輪の動きを確実にロック出来る事。【解決手段】走行車輪4L、4Rと、操作ハンドル17と、耕耘爪6と、走行車輪と耕耘爪を回動させるエンジン15と、エンジンの駆動力を走行車輪及び耕耘爪に伝達する伝動機構を内蔵したトランスミッションケース2と、伝動機構から外側に一端部が突き出していると共に、一端部に駐車ブレーキ溝41aが設けられた走行第2軸40と、駐車ブレーキ溝41aに嵌合可能な駐車ブレーキピン301を有し、走行第2軸の回動を阻止するか否かの切り替えを行う駐車ブレーキ入切装置310と、駐車ブレーキ入切装置に対して、走行第2軸の回動を阻止させる操作を行う駐車ブレーキ入り操作レバー70と、を備え、駐車ブレーキ入り操作レバーは、操作ハンドルに設けられ、駐車ブレーキ入り操作レバーを操作することで駐車ブレーキピン301が駐車ブレーキ溝41aに嵌合し走行第2軸の動きがロックされる、歩行型耕耘機。【選択図】図8
