For father and son Nick and Nicholas Black, the diesel mechanic profession is a family affair. Nick went to school to become a diesel mechanic, while Nicholas learned everything from his dad and grandpa. Today, Nick focuses on restoration and custom truck builds at his shop, Whitemire Trucking, and Nicholas loves getting hands-on with repair jobs at his business, R&T Truck Service. In this episode of Haul Talk, you’ll hear about their family legacy and involvement in American Big Rig Racing—a truck racing series powered by Cat engines.