Wow, the dry pin on that unit is HEAVY!! It also has a HUGE payload! Realistically you are looking at towing about 12,500 to 13,000#, pin as a percentage of dry would be 3,120#, I know that would put me over my axle rating. With a 2013 you might be within the axle rating.
Specifications:
Dry Axle Weight (approx. Lbs.): 8545
Dry Hitch Weight (approx. Lbs.): 2663
Net Carrying Capacity: 5392
Gross Dry Weight - Lbs.: 11208
Gross Vehicle Weight (GVWR) - Lbs.: 16600
Exterior Length (approx. w / hitch): 35'2"
Exterior Height (approx.): 13'
Exterior Width (approx.): 8'6"