Putting all the engine torque through the tires on a single drive axle stresses the tires and can cause rapid tire wear. Photos: Jim Park If I were a tire, the last place I’d want to be is a drive ...

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, ...

There's a chance you've seen a larger truck driving down the highway with some of its tires hovering above the ground. It may look odd at first, but there is a practical reason behind this design.