Season 5

Heavy D and the crew transform a rundown Canadian logging truck into a maxed out, custom semi to transport their builds cross country. And Diesel Dave and the Muscle go head to head building two ultimate Diesel Daily Drivers for their next truck giveaway.

While the shop finishes the semi build, Heavy D moves full steam ahead with his plan to attempt a death-defying stunt in the Brodozer. To complement the jump, Heavy D plans a live giveaway inspired by one of their most popular builds, the US Duramax.

Heavy D buys a busted one-of-a-kind rock crawler and gives it the Sparks Motors treatment for a quick flip. Meanwhile, a friend commissions a 1,000 gallon fuel truck and two custom diesel-powered fertilizer spreaders for his helicopter business.

Heavy D attempts to salvage a wrecked overland camper from Europe he bought at auction; the team races to complete a 1,000-gallon fuel truck and two custom diesel-powered fertilizer spreaders for a helicopter operation.

Heavy D continues trying to salvage a wrecked overland camper from Europe, hoping for a big payday; Sam designs a hub-centric, diesel-powered bicycle with spare and salvaged parts from the shop.

Professional off-road racer RJ Anderson enlists Heavy D to trick out his brand new Ford Raptor and add some serious towing capacity; the Diesel Brothers challenge the Goons Garage and Welder Up to a Tuff Truck rematch in Mesquite, Nev.

The Diesel Brothers continue transforming their junkyard Bronco into an off-road beast for the Tuff Truck rematch against the Goons and Welder Up. Meanwhile, Heavy D customizes a brand new UTV so his friend can break a world record at the live event.

The Diesel Brothers salute the military with an action-packed night of insane stunts and it's all LIVE! Heavy D hopes to make history by jumping the Brodozer over a flying airplane, while Diesel Dave, the Muscle, and others attempt their own stunts.