An engine located at the front can be mounted longitudinally and can drive either the front or the rear wheels. Rear engine vehicles have the engine mounted behind the rear wheels. The engine can be transverse or longitudinal and usually drive the rear wheels only.
前臵发动机可以纵向布臵，能够驱动前轮 或后轮。后臵发动机布臵在后轮后侧，发 动机即可纵向布臵又可横向布臵，一般只 能驱动后轮。