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 ...

Pusher axles and the "flying tag" on this mixer truck are raised for crawling through deep sand in eastern Minnesota. While on the road, the lift axles are lowered to spread the truck's weight, ...

[Stay on top of transportation news: Get TTNews in your inbox.] When it comes to spec’ing, getting the best fuel economy is about building a tractor with all the right pieces. Even with the best basic ...

It’s great to have the loading capacity of a spread-axle trailer, but tires will pay the toll, so invest in tires optimized for the application. You can’t beat a spread-axle trailer for flexibility, ...