I recently purchased a 40' fifth wheel toy hauler, triple slide. The dry weight is 14,050 lbs., I figure 1000 lbs. of gear, my motorcycle is about 950 lbs., hers is 650 lbs. We try to two with minimal...
I'm with C-bears. Load it up and take it across a scale. Odds are it weights more than you think it will. Regardless, I'm betting you'll be in newer 350/3500 DRW range.