Breve introducción del semi trailer

A semi-trailer is a trailer whose axle is positioned behind the vehicle's center of gravity (when the vehicle is evenly loaded) and is fitted with a hitch that transmits horizontal and vertical forces to the tractor. Semi-trailers are generally three-axle semi-trailers, and their types are divided into 11-meter warehouse semi-trailers, 13- Semirrailers de almacén de medidores y semirrailers de camas bajas . Es un vehículo de transporte de servicio pesado conectado a la cabeza del semirremolque a través del pin de tracción .