The 2011-2016 GM 2500HD/3500HD truck is built to be a towing machine, however without a heavy-duty hitch you won't be able to fully utilize your GMs towing capacity. Our selection of Hitches for the GM 2500HD/3500HD is manufactured with heavy-duty material construction to grant your truck the power and stability to pull massive haulers, 5th wheels, campers, horse trailers, and anything else you've got in mind! We offer a variety of have class 3, class 5, and bed-mounted hitches that are available for your GM that can have you pulling your heavy loads with ease. Be sure to check out our excellent selection of Receivers. GM Duramax Fitments: 2011, 2012, 2013, 2014, 2015, 2016 GM 6.6L Duramax.Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali.Some exceptions apply, please see individual product pages for specific fitments.