... 1310+1310 3)Towing pin: 90mm Capacity of liquid tank semi trailer: 30m3 to 60m3.Transport medium: crude ... oil, oil products, edible oil, alcohol, etc.Tank material: carbon steel, stainless steel, aluminum alloy, etc. ... brand, 50mm or 90mmsuspensionBaohua brand triple suspensiontyre12.00-20, 12+1Brake systemdual circuit air brake, Service ... , Carbon steel, diameter: Φ500 40CBM liquid tank trailer