Infinity Drop Deck 53' Rear Axle Slide (Model: HAICD22RSA) Length / Width: 53 feet x 102 inches Suspension Type: Rear axle slide Deck Lengths: 11 feet front and 42 feet rear Frame Rating: 80,000 lbs distributed - 55,000 lbs concentrated in 4 feet- GAWR and tire ratings determine legal payloads Rear Deck Height: 40 inches - loaded Flooring: 1 1/8 inch aluminum with 4 apitong wood nailer strips Crossmembers: 18 inch centers front deck / 12 inch centers rear deck - 4 inch jr. I-steel Single Coil Hauling Package: Included Main Beams: 130K load bearing flanges Kingpin: 30 inches Loaded Fifth Wheel Height: 49 inches Landing Gear: OEM standard Number of Axles: 2 Brakes: Spring brakes, auto slacks ABS: 4S/2M - no cable or tool Axle Spread: 122 inches open - 61 inches closed: Meets California, Canadian RTAC and BC dimensional specifications in closed position Wheels: 22.5 x 8.25 steel disc wheels - pre-painted white - STANDARD Tires: 255/70R 22.5 16PR OEM standard Tire Inflation System: None standard Suspension Detail: Hendrickson AANL23K and AAZL23K buttoned-up Intraax air ride axles Electrical System: LED: 3 lights/side, 2 lights/side on rear - STANDARD