... : Approx 500mm from the front face of the front bolsterUnladen platform length: Approx 7, 500mmWheelbase: Approx 7, 230+ 1, 310 ... beams.Top flange 18mm thick, bottom flange 18 thick.platform:4mm thickness checked steel floor. OEM Parts Configuration:King ... 2 axle low bed semi-trailer,3 axle low bed semi-trailer, 20ft low bed semi-trailer,40ft low-bed semi-trailer, container semi-trailer and so on.More ...