Conveyor belts made it easier for people to transport bulk materials such as sand, gravel, etc. In the agricultural sector they are also used for straw bales, wood sheaths, i. e. solid bodies. The working device impresses with its attractive appearance and the lifting and conveying mechanisms, which are very easy to operate by means of rotary knobs and crank. This means that hay bales can be transported onto the wagon and brought into the barn, sand or small stones can be transported on trucks and can also be unloaded. The conveyor belt can be attached to all Bruder towing vehicles such as tractors, unimogs, trucks including the sprinter, as well as to construction vehicles equipped with a trailer coupling.