hauling trailer with a med / heavy duty truck requires a trailer with a HUGE frame like Ksss has pictured. If you dont get the overbuilt type trailer like a trail king your going to find it will bend the frame when it loaded heavy on the draw bar. There is way to many 10K ~ 17,000 lb trailers used forsale that have welds on the draw bar area from pulling it with a heavy duty truck that can deal with 8000 lbs put on the back of the frame and bend or flex the trailer to the point where it cracks in high stress area. Thats why when you look at trailers look at the axel placement if they in the middle chances are the trailer is designed to handle lighter loads and be pulled with light or med duty trucks.
I have a 6 ton eager beaver that I pull with a 2500 hd, its bulit like it could handle 8 ton if the truck could carry more on the draw bar. I has a 8" I beam construction that you dont find in lighter trailers. Trail king or eager beaver make high end very well built units , towmaster is a good choice but not as heavy construction. If possible I would look into a trailer that has 17.5" tires , yes it going to be slightly more money but the tires in the 16" class ALL SUCK. None of them are really any good that are built in china , they all have blow outs when they are run at the side wall rateings. 17.5 tires are truck tires and will hold up.