Regardless of whether you call it a Lowboy trailer, Removable Gooseneck (RGN trailer), Mechanical Gooseneck, Detach trailer or any other industry term, Jet's high quality craftsmanship and attention to detail puts our Detachable Gooseneck trailers in a class of their own. Comprised of four high strength beams, automatically welded on both sides, Jet's Lowboy trailers are manufactured in standard capacities of 35 ton and 51 ton. Trailers for both capacities are available in different lengths and axle configurations to accommodate your needs.