驱动轮的布置原理。在三轮结构的叉车中，背向负载的车轮被驱动，在四轮结构的叉车中，背向负载的车轮被驱动。使用后轮驱动器是因为其出色的杠杆作用，尤其是在必须在狭窄的装载空间中移动货盘的情况下（例如，在装载/卸载车辆时）。

Arrangement principle of the drive wheels. In lift trucks in three-wheel construction the wheel facing away from the load is driven, in four-wheel constructions the wheels facing away from the load. The rear-wheel drive is used because of its superior lever action especially in situations where pallets must be shifted around in tight loading spaces, for example, when loading/unloading lorries.