OVERTURN PREVENTION SYSTEM OF WORKING VEHICLE

To provide an overturn prevention system of a working vehicle which can perform an operation for preventing an overturn of the working vehicle at proper timing.SOLUTION: The overturn prevention system of a working vehicle comprises: an inclination angle sensor (111) for detecting an inclination angle of the vehicle (1) in a vehicle width direction; a vehicle speed sensor (113) for detecting a vehicle speed; a position detection part (121) for detecting a position of the vehicle (1); and a control part (100) for making the vehicle (1) travel following a stored traveling-scheduled path. The control part (100) sets a prescribed inclination angle small as the vehicle speed is high, and decelerates a speed of the vehicle (1) when the inclination angle reaches the prescribed inclination angle or larger.SELECTED DRAWING: Figure 3 【課題】適切なタイミングで作業車両の転倒を防止する動作が実行される作業車両の転倒防止システムを提供すること。【解決手段】実施形態の一態様に係る作業車両の転倒防止システムは、車両（１）の車幅方向における傾斜角を検出する傾斜角センサ（１１１）と、車速を検出する車速センサ（１１３）と、車両（１）の位置を検出する位置検出部（１２１）と、記憶された走行予定経路に従って車両（１）を走行させる制御部（１００）とを備える。制御部（１００）は、車速が大きいほど所定傾斜角を小さく設定し、傾斜角が所定傾斜角以上になると、車両（１００）を減速させる。【選択図】図３