Heavy truck traction saddle difference, the difference between 50 and 90#, medium and heavy difference
The saddle 5090 of the heavy truck tractor represents the diameter of the work of the traction saddle, followed by the traction pin diameter of the trailer, 50 saddles, 50 traction pins, 90 saddles, and 90 traction pins
The function of the saddle is to link the tractor or the trailer. There are several kinds of 50mm and 90mm. The sizes and weights are different. Because now overloading, overloading, and so on, so tend to lightweight, so generally choose 50.
