The following guide will walk through common trailer styles, their dimensions, including length, width, and height, as well as what capacity loads they can haul. For those who work in the industry, understanding the specifics of semi trailer dimensions and what each style of trailer can haul is key.

While the term semi trailer is used by the public to refer to the common box trailer-tractor cab combinations seen driving down the highway, the reality is that this word encompasses a vast array of trailer types.