新型货车需要有五个要素:易装、易卸、安全、容积大、可靠。1963年新设备的另一个特点是采用单向一次作业专一用途的车辆(一个方向运货,另一个方向回空),铁路传统习惯所采用的双向二次作业通用车辆的概念,随着运量的急剧上升在60年代初期,已消声匿迹。过去五年间,专一用途的车辆被认为是弊多利少的,可是现在许多铁路都以车辆的利用作为比较 New trucks need to have five elements: easy to install, easy to unload, safe, large volume, reliable. Another characteristic of the new equipment in 1963 was the concept of a two-way, two-wheeled, two-wheeled, two-wheeled utility vehicle that used one-way, one-purpose vehicles (one way to carry goods and the other way back to the air) The sharp rise in volume has disappeared in the early 1960s. In the past five years, purpose-built vehicles were considered as less and less expensive. However, many railways now use vehicles as a comparison