Domestic tractor axle length restrictions more stringent, but this one basically non-existent in the mixer, 6x4 mixer have done 12 square, 8x4 or even do 16 side. In 6x4 mixer, for example, 2.4 tons per ton of concrete calculation, 12 square is 28.8 tons, 6x4 mixer vehicle weight 14-15 tons, far more than the domestic steel cement silo limit. Such car ran very dangerous in the city from time to time there is an accident mixer wounding tragedy.
Semitrailer mixer biggest advantage is the number of axes more loading capacity greater, but if strict accordance with concrete mixing machine regulations, we can only install 14 square so, this environment is estimated that no one will buy it. If and cycling as overloading, do 20 square, 25 square even larger tank, which will result in a vicious cycle overload, harm not only to the big road, but also a serious threat to the safety of pedestrians.
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