Semi - trailer/Truck

A semi-trailer is a trailer whose axle is placed behind the center of gravity of the vehicle ( when the vehicle is uniformly loaded ) and equipped with a coupling device that can transmit horizontal and vertical forces to the tractor. Semi - trailer is generally a three-axle semi - trailer, which can be divided into ordinary semi - trailer, low flat semi - trailer, container transport semi - trailer, dump semi - trailer, etc. It is a heavy transport vehicle connected to the head of the semi-trailer through a traction pin. Axles, tires and other external configurations can be selected, and the external dimensions can be customized.