Magnum Trailer Sales Ltd was established in 1996 by Phil Dennis and has been serving customers all over North America for over 21 years. Magnum offers a variety of trailers for sale including horse, stock, living quarters, flat deck, cargo, utility, race car, sled, oilfield offices and movie trailers. Choose from gooseneck or fifth wheel, bumper pull or tag, with both new and used and custom designed trailers available for sale.