Material transfer vehicle having an expandable truck-receiving hopper

A material transfer vehicle includes a truck-receiving hopper that is adapted to receive asphalt material from a delivery truck. The truck-receiving hopper includes an expandable front portion having a right expandable sidewall assembly and a left expandable sidewall assembly. The right expandable sidewall assembly has a right outer fixed sidewall panel and a mechanism for moving the right outer fixed sidewall panel between an inner right position and an outer right position. The left expandable sidewall assembly has a left outer fixed sidewall panel and a mechanism for moving the left outer fixed sidewall panel between an inner left position and an outer left position. The truck-receiving hopper also includes a rear portion having a right sidewall panel and a left sidewall panel. The right and left sidewall panels of the rear portion are fixed against movement with respect to each other. 种材料转移车辆包括卡车接收料斗，卡车接收料斗适于从送料卡车接收沥青材料。卡车接收料斗包括可扩展前部，可扩展前部具有右侧可扩展侧壁组件和左侧可扩展侧壁组件。右侧可扩展侧壁组件具有右外固定侧壁面板和用来在右侧内部位置与右侧外部位置之间移动该右外固定