Easier installation and maintenance than a fifth-wheel trailer, the main alternative to a gooseneck setup. Availability of an adaptor to add a fifth-wheel trailer to a gooseneck hitch.

For 2016, GMC has aligned the Sierra HD with SAE J2807 towing standards. Maximum trailer weight ratings for the truck include 14,500 pounds for the 2500HD, 18,000 pounds for fifth-wheel/gooseneck ...