50 fifth wheel

Specifications

trailer and truck fifth wheel
ed and casting
2.size 2''/3.5''(50mm/90mm)
3. ISO 9001

Specifications:

1) two kinds: 2" and 3.5"

2) Characteristics: JOST type---PCMK fifth wheel is made of the same material and of the same structure as that of JOST. All the parts are interchangeable with JOST fifth wheel.

3) funtion: assembled at the tractor, to be connected with king pin for towing the semi trailer

4) matched with 2" and 3.5" king pin, bolton type and weldable type king pin

 

The fifth wheel serves as a coupling device that attaches a road tractor to a semi-trailer.A fifth  wheel is a heavy metal disc with a V shaped slot. It is attached horizontally to the chassis above the rear axles of the road tractor. The V slot is located at the rear and it contains a locking device. The fifth wheel mechanism used to connect tractors.