This 40 FT SIDE WALL SEMI TRAILER is another demonstation of SHODAILER's technical strength. Main material is high strength steel T700+Q345,achieving lightweight design while maximizing structural strength and durability,and can easily withstand the challenges of all kinds of complex road conditions such as gravel roads and dirt roads etc.With a rated load capacity of 50 tons and a side wall external design makes it multi-purpose,it can load and unload containers ,coals,stone and sand ,bulk goods and other various cargo without removing the side walls,truly realizing "one trailer for multi uses",greatly improving the efficiency of a single transportation and reducing customer's operating costs.