We have a 2016 Ram 2500HD with the 6.7CTD. Specs say it will tow 17,200lbs. Looking at Forest River Surveyor 299RLOK. It will be our first 5th wheel, not our first RV, (previous 26ft bunkhouse and 34...
You will be close to GVWR or a tad over as stated before. Does the Ram have air or coil springs. As far as pulling the 5er, I pull one the same size with my 2001 2500 and have no issues.