For most semi-trailers, these are the steps for a secure connection, although the more specialized a trailer is, the more connections it may require. What To Consider When Choosing One.

You've probably noticed those giant flaps mounted on the backs of many semi-trailers you see on the highway. Here's what they ...

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.

Why 'Flatbed' Semi Trailers Aren't Always Flat. By Justin Hughes June 14, 2025 6:25 pm EST. Virrage Images/Shutterstock. Here at Jalopnik, we sometimes wonder why things are called what they are.

This type of agreement is common when semi-trailers are used to transport goods across long distances. Understanding the Trailer Interchange Agreement .

When the new trailer is attached, the battery provides enough extra power to cut emissions by 70% to 80%. While the truck still uses some diesel, it can go from 6 to 8 miles per gallon of diesel ...