Specifications:1) Dimensions and weight: a) Nominal dimensions (L * W * H): 12,250 * 2,440 * 1,450mm b) King pin height: 1,200mm c) King pin setting: 1,000mm from rear face of front bolster d) Max. payload: 40,000kg / 45,000kg e) Tare weight: 4,400kg+2% / 5,500kg+2%2) Running system: a) Suspension system: leaf spring or airbag suspension b) Axle: various axles like BPW, YORK and FUWA with various bearings c) Tire: various brands of bias tires or radial tires d) King pin: forged steel, 2 or 3.5, welded or bolt-in e) Landing gear: 24T, 25T 3) Chassis: a) Provides 8 or 12 retractable type twist locks b) Main beam: high-tensile steel c) Surface preparation: shot blast d) Painting: zinc-rich primer and modified urethane topcoat as customers' choices4) Brake system: a) Double line air brake system with single air tank, standard connectors on front bolster b) Optional anti-lock brake system5) Electrical system: standard electrical equipment6) Accessories: a) Tool box (box only) b) Spare wheel holder (no spare tires and wheels)