Clint Cobra attended the Boise Roadster Show in Boise, Idaho where he met Charlie and his custom 1962 Ford F-600. Charlie explains he built the truck using a 1962 Ford F-600 cab and frame. He shortened the frame five feet in the back. On top of that he installed a 1965 bed he widened 13 inches. The truck is powered by a supercharged 411 ci Windsor V8 making 675 hp. There is no mention of transmission or transfer case but there are 10-bolt axles from a 2015 F-550 in front and back. Listen as Charlie explains the truck to Clint in the video below.
Source: Clint Cobra