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.

TMC, NASHVILLE -- Spicer EconoTrek 6x2 tandem axle and the AdvanTEK 40 Tandem Axle are now available on certain Kenworth and Peterbilt models. Dana Holdings Corporation made the announcement at the ...

LOUISVILLE. Dana Holding Corp. introduced a trio of new or enhanced products-- the new Spicer Diamond Series aluminum driveshaft, the Spicer Pro-40 tandem axle, and an improved Spicer LMS hub system ...

PACCAR's tandem rear axle is now standard on the Kenworth T880 76-in. midroof sleeper. The new PACCAR tandem rear axle is now standard on the Kenworth T680 and T880. According to the company, the new ...

Tandem axles are pretty much only good when you need to tow a whole lot. Otherwise, they just add weight. That might be why this 1971 Buick Electra 225 has one, as some rumors indicate it was a failed ...

The Ford patent shows a bolt-on kit to add an extra rear axle to the Ford F-150 pickup. This second rear axle is designed to handle more payload for the full-size truck. This patent is targeting a non ...