... BPW axle, airbag suspension, boige suspension, tyre, light etc Low Bed Semi Trailer Specifications:1) Dimensions and weight:A) Nominal dimensions ... x 3, 000 x 1, 750mmB) King pin height: 1, 300mmC) Laden height: 1, 200mmD) King pin setting: 500mm from rear face ... bearingsD) Tire: Various brands of bias tires or radial tiresE) King pin: Forged steel, 2" or 3.5", welded or bolt ...