The present invention discloses a vehicle which is capable of adjusting the width. The vehicle includes a first frame and a second frame. The first frame combines with a separate first drive mechanism and the second frame combines with a separate first drive mechanism. A spraying device, a link member, a brace member and a hoisting member are connected with a movable seat. The movable seat is mounted at the assembly of the first frame and the second frame. After the first frame and the second frame are occurred relative displacement, the spraying device can be located at a suitable position by adjusting the position of the movable seat.本發明揭示一種能夠調整寬度的車體。該車體包含一第一車架與一第二車架,該第一車架結合一個獨立的第一驅動機構,該第二車架結合一個獨立的第二驅動機構。一噴灑裝置、一連桿組件、一支架組件及一升降驅動組件連結在一位移調整座上,且該位移調整座可移動地安裝在該第一車架與該第二車架的組合。該第一車架與該第二車架產生相對位移後,藉由調整該位移調整座魄位置可使得該噴灑裝置位在適當的位置。10‧‧‧第一車架12‧‧‧第一連接桿20‧‧‧第二車架22‧‧‧第二連接桿24‧‧‧嵌入通道30‧‧‧車架定位器