A new Mack semi-truck aims to handle everything from construction sites to long highway runs, combining all-terrain ...

Semi trucks are the undisputed titans of the highway — rumbling, ground-shaking workhorses that keep the world moving. But for a select few drivers, just transporting freight was never enough. These ...

If you are a semi truck aficionado, chances are you have heard of Paccar. This colossus of the commercial trucking world is an unassuming giant for the uninitiated, but it quietly owns (or once owned) ...

While most states limit the number of axles on a road vehicle, there are some uniquely large semi trucks on Michigan's highways.

Have you ever wondered why some semi trucks have one set of wheels and others have two sets crammed together? That's because some semis use a single axle while others have tandem axles, but why is it ...