What is a Kingpin?
A Kingpin is a heavy duty attachment pin that extends below the trailer bed plate. During coupling, this locks into the tractor unit fifth wheel.
Published: Mon 20 Nov 2023
Updated: Thu 11 Apr 2024
A Kingpin is a heavy duty attachment pin that extends below the trailer bed plate. During coupling, this locks into the tractor unit fifth wheel.
Published: Mon 20 Nov 2023
Updated: Thu 11 Apr 2024