What do you mean by "single bridge truck" and "double bridge freight car"?
The number of driving axles behind is different, and the load of double bridge is relatively large
Shuangqiao: a type of freight car, the latter eight tires, double bridge drive, different from the ordinary truck four wheel single bridge drive, so named Shuangqiao
The deadweight of single axle freight car is relatively small. More than 2-5 tons of cars, followed by 4 rounds,The load capacity of double bridge is relatively large, which is also commonly referred to as the latter eight rounds,
