Semi gooseneck hitch model 205ST45K is the same hitch as the 30,000 lb. model except it comes with a heat-treated stainless steel 2- 5/16" standard ball and is rated at 45,000 pound Gross Vehicle Weight. This semi gooseneck hitch is for extra heavy duty, or special duty gooseneck trailers. A 3" gooseneck ball is also available.
This semi tractor hitch enables classes 6, 7, and 8 semi-tractors to tow gooseneck trailers. It works on standard truck frames that are 34" across. The hitch is between 34-3/16 and 34-1/4" to easily set over the truck frame.