There was a time when upgrading or swapping axles under your 4x4 often meant scrounging junkyards for factory axles under a rig a size bigger than yours. After finding a heavy-duty diamond in the ...

If you're looking to make upgrades and repairs to your old tired axles or to rebuild junkyard iron, or you need complete replacement assemblies, then you just got lucky! We've gathered a few new ...

The Bridge Formula often drives the front axle configuration (axle forward or axle back) and the rear axle spacings of your vocational truck fleet. Congress enacted the Bridge Formula in 1975 to limit ...

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 ...