What is a Used SHACMAN F3000 Tractor Head Truck The Used SHACMAN F3000 6×4 tractor head truck is a pre-owned heavy-duty prime mover, originally built by Shacman (Shaanxi Automobile Group) for long-distance hauling and heavy cargo transportation. As a tractor head unit, it is designed to pull semi-trailers, flatbeds, tankers, container trailers, dum1