It doesn't get much tougher than the 2 1/2-ton Rockwell axle. Used by the U.S. military for decades, these massive top loaders have continued to gain popularity in the off-road market, mostly due to ...

You can be extremely dumb with Rockwell axles. Roll up to a ledge, place your 44-inch tire on the up slope, then lay into your 400-horse engine and get ultraviolent until you either make it to the top ...