1988 SIEBERT, Semi-Trailers - Lowboy Trailers, 1988 Siebert TK502, 3 axels and steel wheels. Oak 24 ft Deck length. Mechanical detach gooseneck 11ft 6 in. Air-ride with fixed suspension. Galvanized rear frame and ICC bumper.22.5in steel wheels., Air Ride Suspension, Steel Composition, Wood Floor, , L x W x H: 53 x 102 x