There are various materials used for self loading vans, including, hydraulic self loading vans and a hydraulic self loading truck. Alibaba.com features a wide variety of self loading vans and various self-loading vans are made out of various materials, including, such as aluminum, wood, and glass.
Loading tractors are used in several ways. A self-loading truck is similar to a self-baling truck, but one is still used in carrying various loading tractors. The self-loading tractors are attached to a truck that carry a loading battery.