If ever there were a perfect axle for the massive rigs found at Top Truck Challenge, it would probably be the Rockwell 2.5-ton. Few others can handle the high horsepower and torque loads required by ...

In Part 1 we covered building the basic frame of a budget race car trailer. It was fitted with 6,000-pound mobile home axles. They are plentiful throughout most of the country, some to the point of ...