Semi-trucks on American roads are often referred to with the "Tractor Trailer" moniker, which may be old-fashioned, but does ...

You may have heard the term 18-wheeler and wonder where the name comes from. It turns out those 18 wheels have an important ...

Flatbed trailers can be categorized into three types: aluminum, steel, and combination. Aluminum trailers are lighter than steel, don't rust (though they are prone to corrosion and cracking), and ...

The kingpin locking mechanism on a semi-truck trailer is what allows thousands of big trucks to make shipments all across the U.S. Here's how it works.