用于拖曳滚动单元（例如滚动箱和滚动式集装箱）的无人驾驶工业车辆，其设计方式是使自动驾驶式拖拉机能够在其下方行驶并联接。在滚动装置下行驶后，将牵引车定位。滚装单元和自动牵引式拖拉机通过特殊的锁定机构相互连接。滚装单元和自动牵引式拖拉机的连接和断开是自动的。

        Driverless industrial truck for towing roll-on units such as, for example, roll-on bins and roll-on containers that are designed in such a way that they enable a drive-under tractor to drive under them and couple up. After driving under the roll-on unit the towing truck is positioned. Roll-on unit and drive-under tractor are coupled to each other by means of a special locking mechanism. Connection as well as disconnection of roll-on unit and drive-under tractor is automatic.