The XL Specialized Trailers XL 120 Low-Profile Hydraulic Detachable Gooseneck (HDG) trailer is rated at 110,000 lbs at 10' and 120,000 lbs at 16' in the center of the deck. The 13' gooseneck has a 36" flip neck attachment for use with a four-axle truck, which offers a 146" swing clearance and allows weight to be distributed to the steer axle. The five-position variable ride height allows users to adjust the neck height to fit various loads. The trailer comes in the standard 53' length, or a 55' version. With 54-1/2" axle spacing, the 53' trailer's main deck offers 26' in the well and 60" axle spacing is also available. The main deck is constructed with four 16" tall, fully-cambered I-beams connected with 10" and 4" stubbed junior I-beams on 12" alternating centers for maximum strength.