Heavy Duty Goosenecks – Our gooseneck dump trailers are available in 15,000 and 17,000 GVW ratings and 14 ft. and 16 ft. lengths. The frame upgrades to 8 in. channel. Our best options are combined in a package deal that includes: scissor lift, radial tires, adjustable gooseneck coupler, 12,000 lb. drop foot jack, and a U.S. made sealed wiring harness with lifetime LED lights.