The size of this 40ft 3 axles semi-trailer is 12.5m*1.5m*1.6m, the max load is 60 tons, which is our standard configuration. You can choose to transport two 20-foot containers and one 40-foot container, the upper side is equipped with 12 high-quality container locks, you can fix your container through the container twist locks, of course, if you want to transport a larger size of the container, we can also modify the size of the specifications according to your needs; if you want to transport ordinary goods we are also equipped with a rope tightener, you can fix your cargo through the rope. If you want to transport common cargo we also have rope tightener, you can fix your cargo by the rope.