And why are tractor-trailers called semis? The answer is simply because “semi-truck,” or just “semi,” has become a catch-all term to describe the vehicles.

Semis are so named because they fall between standard trucks and trailers in terms of size. What sets them apart from other trucks is their ability to detach the trailer, making them more …

Jul 29, 2013 · Ever wondered where all the trucker lingo comes from? Check out our break down of why big rigs are called semis here on the uShip blog!

Jul 29, 2025 · Learn what is a semi truck, why trucks are called semis, and what an 18 wheelers is. Complete guide covering semi truck design, history, and importance in transportation.

Feb 19, 2025 · Why Are Semi-Trucks Called Semi-Trucks? If you’ve ever wondered, what’s a semi truck, you’re not alone. A semi-truck, also known as a semi-trailer truck, is a large …

Sep 25, 2024 · As we mentioned prior, semi-trucks are mainly defined by having a detachable trailer that is used to support their loads. A regular truck, otherwise known as a box or straight …

Aug 27, 2019 · A semi-trailer truck more commonly semi truck or simply “semi” is the combination of a tractor unit and one or more semi-trailers to carry freight. A semi-trailer attaches to the …

Oct 11, 2023 · Also known as tractor-trailers, 18-wheelers, big rigs, or semis, these vehicles are composed of a truck and trailer team with a towing vehicle (the tractor) and generally a box …

Since semi-trucks completely dwarf your everyday pickup truck, how can an 18-wheeler ever be considered “part-of” a truck? The answer is pretty simple: semi-truck or semi is actually short …

Our detailed guide covers everything you wanted to know about semis. TEC Equipment is your leading semi truck dealer.