The fodder which is placed on the land (3) the unmanned travelling car in order to make move horizontally as for (1), in order the range measurement expedient which measures the distance to the wall from two wheels and the car which are driven separately by separate drive expedient the direction measurement expedient which measures the direction of the centerline of the car for (6) and the wall (9) with, the torque difference measurement expedient which measures the torque difference between the wheels (10) with, to move that car to travelling direction the control control equipment which is controlled (11) with the fodder (3) the fodder portable expedient which is made to move horizontallyWith, it has, in order the aforementioned control control equipment (11), to maintain the distance to the wall which was measured while operating by the aforementioned range measurement expedient (6), above minimum distance of initializing, it is programmed, furthermore, the lowest point of fodder portable expedient (19) height or it has the adjusting device which adjusts position.地面に置かれた飼料(3)を水平に移動させるための無人走行車輌(1)は、別々の駆動手段により別々に駆動される二つの車輪と、その車輌から壁部への距離を測定する距離測定手段(6)と、その壁部に対する車輌の中心線の向きを測定する向き測定手段(9)と、車輪間のトルク差を測定するトルク差測定手段(10)と、その車輌を走行方向に移動するよう制御する制御装置(11)と飼料(3)を水平に移動させる飼料移動手段と、を備え、前記制御装置(11)が、動作中に前記距離測定手段(6)により測定された壁部までの距離を、初期設定の最小距離以上に維持するようプログラムされ、さらに、飼料移動手段の最下点(19)の高さと又は位置を調整する調整装置を備えている。
