semi truck meaning

What is a tractor semi trailer

by

A combination vehicle is the combining of a tractor unit with one or more trailers. This is commonly called a “semi” or “semi truck.”. The tractor is connected to the trailer (s) with a fifth-wheel and/or a converter dolly. The fifth wheel allows the … Other terms used to describe a tractor-trailer are "eighteen wheeler" … Read more

What is a semi tractor trailer

by

A semi-trailer truck, also known as a semitruck, (or semi, eighteen-wheeler, or, by synecdoche, a semitrailer) is the combination of a tractor unit and one or more semi-trailers to carry freight. A semi-trailer attaches to the tractor with a type of hitch called a fifth wheel. EuropeThe noticeable difference between tractor units in Europe and … Read more