It seems like all the news these days is about full-size, one-ton, heavy-duty pickup trucks with a dual rear axle and prices approaching $100,000, but not everybody needs such a monster machine. Some folks just need a good, solid work truck — a big one, something that can haul, tow and get folks to a jobsite that may not be on a paved road. We invited three players to our 2018 One-Ton Heavy-Duty Truck Challenge — the 2018 Chevrolet Silverado 3500, 2018 Ford Super Duty F-350 and 2018 Ram 3500 — stipulating that we wanted to test a one-ton single-rear-axle truck with the top gooseneck towing package. The powertrain had to be diesel, but two-wheel drive or four-wheel drive was up to the automaker, as was the bed length. We set the price cap for this adventure at $75,000 — still a considerable amount of money, but average for a class that can see prices soar much higher. Testing each truck’s abilities is important to us. Anyone can deliver a subjective opinion, but the numbers often tell the tale and make or break a truck in a competition like this. We put the trucks through 16 empirical tests around Kingman, Ariz., a hot, dry, lightly trafficked locale with easy access to off...