Purchased a 2016 explorer AWD V6 back in November and now we are small camper shopping. Ideally I would like a Jayco 154 or 174 bunk house. The 154 is about 2600 dry, 3400 wet, with the 174 about 400lbs more on both. I have the class 3 towing and a weight distribution hitch already, but I need...