Some semi trucks use single axles, while others use double or tandem axles. Here are the differences between the two setups ...

Beall's aluminum "bullet bottom" dump trailer has been in the company's product line since 1975. It is capable, says the manufacturer, of carrying 8-inch-minus material, including gravel, sand, ...

TORONTO (July 3, 2002) — The Ontario Ministry of Transportation yesterday released details about changes to provincial vehicle weight laws that will phase out the use of non-steerable lift axles on ...