Heavy-haul equipment has always fascinated me, ever since I was a little boy watching “steam shovels” dig basements in our then-expanding neighborhood in post-World War II Milwaukee. The shovels ...

Rear axle steering. It’s one of those features that has popped up a few times over the years but was usually ahead of its time. Or at least ahead of the complexity required and the engineering cost to ...

Watson & Chalin’s SL-2065 Tru-Track 20K self-steering axle and lift suspension system weighs 1,327 pounds and provides added maneuverability with a 25-degree wheel cut. The lift axle, compatible with ...

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

My hat's off to those of you who've opted to retain the stock solid-axle configuration in your early Chevys. You're better men than I am--or, at the very least, a lot more motivated. Personally, ...

ZF is known for making the gearboxes for some of the most amazing cars out there. However, the company makes other crucial components, including the rear axle steering system for the Porsche 911. So ...

After a seemingly never-ending marketing campaign that saw fans being almost sadistically teased with vague photos and videos, Mercedes-Benz finally revealed the latest S-Class and it’s chock-full of ...