Kingpins
The pin located in the trailer and used to connect the truck bed to the trailer is called the Kingpin. It consists of a Mounting Flange and a Flanged Kingpin. For manufacturers producing new trailers, a Complete Kingpin set is offered. Flanged Kingpins can also be sold separately. There are 2” and 3.5” Flanged Kingpin sizes available. Additionally, there is a Kingpin Adapter to convert from 2” to 3.5” Kingpin.