GM's announcements of the 2020 Silverado HD and 2020 Sierra HD has reignited the topic of heavy duty pickup trucks. Since the introduction, we've received several letters asking about the purpose of ...

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.

Tesla will not build a dually variant of the Cybertruck, but that doesn't mean there is no demand. We've previously seen renderings of a dually Cybertruck, and it looks like a real-world variant is ...

For some, the addition of a second rear axle is more about looks than function, but the reality is that having another axle can help increase the load capacity of your Ford pickup truck. It seems Ford ...

Everything you need to know about switching from dual wheels to wide-base singles you can learn at a playground. Picture a teeter-totter with a big kid on one end, a little kid on the other. The big ...

Dear 4-WHEEL & OFF-ROAD: Please explain the differences (both pluses and minuses) of the Dana 80, the Dana 70, and the GM 14-bolt 1-ton rearends. For the sake of discussion, assume that all are ...

For the most part, while their functions are deceptively complex, we're all familiar with a typical car axle. Being the method by which most cars mount their wheels, axles represent one of the most ...