Fifth Wheel: 1. Material 40t 2. Certifications: ISO/TS 16949 3. Max payload 40t Fifth WheelFeature:OBT-90 High strength casting steel sustain designed for heavy-duty applications with nice feature and safety usage.1) Various steel castings can be supplied, including trailer parts, brackets in axle, semitrailer suspension, air suspension, auto parts, locks of containers, steel sheaves, industrial ...