SPMT
Self-propelled Modular Transporter SPMT, electrc control, independent steering A self-propelled modular transporter or sometimes self-propelled modular trailer (SPMT) is a platform heavy hauler with a large array of wheels which is an upgraded version of a hydraulic modular trailer. SPMTs are used for transporting massive objects, such as large bridge sections,[1] oil refining equipment, cranes, […]
