CURT Class 3 Trailer Hitch, 2-Inch Receiver, Fits Select Hummer H3 Model 13270CURT Class 3 Trailer Hitch, 2 Inch Receiver, Fits Select Hummer H3 Model 13270 Whatever your task at hand whether it's launching that boat before daybreak, setting up your camper before the rush or getting a final load to the dump before close CURT class 3 trailer hitches offer the strength needed for serious towing. They make i t easy to hitch up and Bring It, offering a vehicle specific fit and the weight capacity to handle a variety of trailers.