There are pickup trucks and then there are pickup trucks. I’m talking about ones with dual rear wheels, diesel engines that push up to 1,000 pound-feet of torque and that can tow over 33,000 pounds. Well, that’s exactly the resume of this all-new Ram 3500 Heavy Duty. And on top of that, it can be optioned like a luxury sedan. The 3500 is the biggest, most capable truck that Ram …