Silver Lake Fabrication has heavy-duty clamp-on pintle hitches available for those looking to move heavy trailers with their tractor. The bracket has a tongue weight capacity of 6000 pounds and is rated for trailers up to 30000 pounds (GVRW). The mounting bracket is available with a 6000 pound tongue weight capacity pintle hook for $1225, or as the bracket alone (you provide the pintle hook) for $1125.