Question:
The kingpin is a cylindrical piece of metal protruding down from the apron, it has a base which is near the apron, shank or the narrow section of the kingpin where the locking jaws connect, and the head or the part furthest from the apron. What should you check the kingpin for?
A
Securely mounted, not bent or damaged, no cracks, and no illegal welds.
explanation
The kingpin is part of what holds the tractor and trailer together, it needs to be straight with no damage. You should not have any cracks in the metal, and there should not be any welds on the visible portion of the kingpin.
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