Specifications: 1) Dimensions and weight: a) Nominal dimensions (L x W x H): 13,000 x 2,500 x 4,000mm b) Internal nominal dimensions (L x W x H): 12,895 x 2,460 x 2,550mm c) King pin height: 1,200mm d) King pin setting: 1,000mm from rear face of front bolster e) Max. payload: 40,000kg / 45,000kg f) Tare weight: 6,600kg±2% 2) Running system: a) Suspension system: leaf spring or airbag suspension b) Axle: various axles like BPW, YORK and FUWA with various bearings d) Tire: various brands of bias tires or radial tires e) King pin: forged steel, 2 or 3.5, welded or bolt-in f) Landing gear: 24T, 25T, etc. 3) Chassis: a) Main beam: high-tensile steel b) Steel surface preparation: shot blast c) Painting: zinc-rich primer and modified urethane topcoat as customers\'\' choices 4) Brake system: a) Double line air brake system with single air tank, standard connectors on front bolster b) Optional anti-lock brake system 5) Electrical system: standard electrical equipment 6) Accessories: a) Tool box (box only) b) Spare wheel holder (no spare tires and wheels) Features: 1) Optional wall and door side or curtain side 2) Entire steel chassis shot-blasted 3) All major structural steel parts of high-tensile steel