Kort introduktion av semitrailer

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- Meter Warehouse semitrailers och lågbädds semitrailers . Det är ett tungt transportfordon anslutet till semitrailerhuvudet genom dragstiftet .}