Have you ever wondered why some semi trucks have one set of wheels and others have two sets crammed together? That's because some semis use a single axle while others have tandem axles, but why is it ...

Mack Trucks has released the S852 tandem axles, which have an 85,000-lb. gross axle rating and are now available to spec on the Granite model for specialized severe-duty or heavy-haul applications.

NASHVILLE, TN. Dana Holding Corp. introduced its new Spicer AdvanTEK 40 tandem axle and a new Spicer Life Series main driveshaft and inter-axle shaft models here at a press conference here ahead of ...

[Stay on top of transportation news: Get TTNews in your inbox.] When it comes to spec’ing, getting the best fuel economy is about building a tractor with all the right pieces. Even with the best basic ...