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  1. Semi Trucks Explained: Why Called Semis & 18 Wheelers

    Sep 5, 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.

  2. The Definitive Guide To Semi Trucks - TEC Equipment

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

  3. What is a Semi-Truck – Why are They Called Semis?

    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 …

  4. Why is it called a semi-truck? The real reason behind the name

    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.

  5. Why Are Semi-Trucks Called Semi-Trucks? | History Explained

    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 …

  6. What Does 'Semi' Mean On A Semi Truck? - SlashGear

    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 …

  7. The Breaks: Why Big Rigs Are Called Semis - The uShip Blog

    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!

  8. What Is A Semi-Truck? | Why Is It Called A Semi-Truck?

    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 …

  9. Exploring the History of Semi-trucks - Commercial Truck Trader

    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 …

  10. SEMI Definition & Meaning - Merriam-Webster

    Guess the language these English words come from. The meaning of SEMI is semifinal —often used in plural. How to use semi in a sentence.