side wall semi trailer, optional 3 axles, 4 axles, 13000mm*2500mm* 2200mm, cargo budget 12500*2300*600mm,13tons fuwa axles, Q345B carbon steel,The height of the beam is 500 mm, upper plate is14 mm,down plate is 16 mm, middle plate is 8 mm, 12.00R20,12R22.5,315/80R22.5, Jost 2”and 3.5”removable Kingpin,