Choosing a fifth wheel.

What rear gears? 4wd, 2wd? Reg cab, Scab, Supercrew? I don't think you'll want to town more than 10,000lbs depending on where you live/ Check your door sticker for payload. You need to concentrate on the 5'ers dry weight, not the GVW. Most people add around 1000-1500lbs for gear. IMO with that truck(?)I'd look for something in the 8500lb dry weight. Make sure you get the dry weight from the 5'ers shipping sticker and not off the brochure or internet brand site. Those can be several 100lbs low. Figure on 20%+/- for pin weight. You have plenty of truck for most midsize 5'ers. You probably have the payload capacity to handle a decent size 5'er but unless you have the 4.30 gears you may not want to tow much over 10,000lbs loaded.