The tractor fifth wheel According to the number of swing axes, the traction seat can be divided into two types: single-axis traction seat and dual-axis traction seat; according to the matching traction pin specifications, it can be divided into two types: No. 50 traction seat and No. 90 traction seat.

The fifth wheel is the tool used for traction between the front of the car and the box, that is, the front of the car can be separated from the original box and tow other boxes, and the box can also be pulled from the original front and pulled by other fronts.

The fifth wheel is mainly composed of a seat cover, a saddle base, a locking mechanism, a seat plate, a separation-connection mechanism and a support.

A fifth wheel/5th wheel is installed on a tractor, and is connected and disconnected from a semi-trailer through a semi-trailer king pin and a skid plate, and transmits horizontal and vertical forces at the same time. The fifth wheel plays the role of pulling the semi-trailer and bearing the load of