I tow a 36ft gooseneck that weighs 6900 lbs. Add in a 3500 lb car, 500lb 4 wheeler, 200 lb tool box, a generator and 4 jugs of fuel, extra oil and parts for car. Add in 2 coolers full of beverages and food and then add in a shower and bedding and extra clothes and whatever else to carry me at the track for 3 days. No issue at all with my 2500 QC 4wd.

I know of others towing up to 45ft with living quarters and all the stuff I carry with the same vehicle with no issues. You o NOT need a Freightliner to pull an open trailer as that's a bit over kill - LOL

In my opinion anyway...…….