With more and more stringent state control of overloading, heavy truck semi-trailer's weight problem becomes crucial issues, many domestic and semi-trailer truck plant manufacturers began spontaneously wide single tire applications, However, due to various reasons, the application of a single child in the country is still relatively rare. In this paper, heavy card with a single trailer tire single analysis of the situation, for reference.

     Fuel consumption. In China, this 10 years, fuel prices soared, WBS tire applications have increased the trend. However, in some areas of China, the maximum allowable axle load limit, leaving a wide cross-section single tire can not be widely used. But with the heavy truck and trailer lightweight design using a single fetal development is an irreversible trend.

     ¡ñ Contrast twin advantages of a single tire

     A lighter weight

     12R22.5 (including rim) weighs 224Kg / twin; 425/65R22.5 (with rim) weighs 153Kg / single fetus; are used if the primary link super single tires, the vehicle weight can be reduced: (224-153) ¡Á 10 = 710Kg; drum brakes to disc brakes for main cars may drop weight 135Kg; pulling down the whole train re 710 135 = 845Kg, annual mileage 15-25 million kilometers, revenue-3.5-6 million.