So I do now own a Ram 3500 Longhorn Mega cab diesel. I'm currently using it to tow my travel trailer. Want to move to a Heartland Gateway 3650bh which grosses at 15500, dry at 13025 and pin weight a...
The OP's vehicle should be just dandy for what he has in mind for a fifth wheel.
Frankly, I've looked closely at the specs for that model (2014/15 Ram 3500 SRW Mega Cab) as down the road I may actually go away from the dually's I have been operating. As the OP posted, 4,000 some odd pounds of carry/cargo capacity.