When Redbeard challenges Heavy D to repurpose some old inventory, Heavy decides to marry a stretched six-door F650 with a camper to create the ultimate expedition vehicle; the guys buy a Hummer H1 from a mysterious mountain man.

Heavy D, Diesel Dave and the Dieselsellerz crew scramble to finish a six-door stretched F650 Expedition Camper for a big client; Heavy D shocks the team with his latest flip: a diesel-powered experimental helicopter.

The Diesel Sellerz pick up a vintage fire truck to transform into a tow truck that can carry everyone in the shop; Chuck Norris stops by, seeking a truck for his latest project.