All aluminum ( except undercarriage ) Only used for about 7 races per year with lightweight cars Triple 8,000# axles, Upgraded tires -245/70R17.5 Gooseneck coupling 2 5/16 inch ball. Hydraulic lift gate and front trailer lift Disc Brakes: electric over hydraulic Upper deck 56 inches max height Lift gate has 60 inch folding extension Cabinets on both sides lower deck + tire racks 11 foot workben...