Diesel Brothers

A new client asks for the biggest build yet -- a monster school bus capable of driving over sand and water. The Muscle brings in his own client build for a gym buddy -- a Raptor-style F250.

A new client asks for the biggest build yet -- a monster school bus capable of driving over sand and water. Redbeard discovers the Mello Yello race car from "Days of Thunder" and the perfect buyer for it.

Major league pitcher Jacob deGrom asks the crew to revamp his OBS Ford. The guys also convert a rare British Land Rover Defender from right-hand drive to left-hand drive for a client.

The guys pull out all the stops on a build for their lawyer Cole and convert a rare Land Rover Defender from right-hand drive to left-hand drive. Heavy D tries to part out a military airplane de-icer.

The Diesel Brothers give a truck overhaul to a local dad who was harassed at a campsite when his F-350 broke down. The guys put together the shop's first-ever diesel motorcycle, with a Magneto!

When the guys are challenged to a Tuff Truck race by their former mechanics, Chet and Tyson of Goon Garage, Sparks Motors rebuilds a wasp-infested old Jeep and the Goons rebuild a water-logged Blazer.

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

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.

Heavy D attempts to salvage a wrecked overland camper from Europe he bought at auction. Meanwhile, 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. Meanwhile, 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. Meanwhile, the Diesel Brothers challenge the Goons Garage and Welder Up to a Tuff Truck rematch.

The Diesel Brothers continue transforming their junkyard Bronco 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. Heavy D hopes to make history by jumping the Brodozer over a flying airplane. Diesel Dave, the Muscle and others attempt stunts of their own.

Heavy D's plan falls apart when he plans to turn a Cummins-swapped K5 Blazer into a one-of-a-kind, off-road showpiece with a matching trailer for a big client. Sam builds maybe the most dangerous minibike the world has ever seen.

The Diesel Brothers complete their transformation on an old K5 Blazer and square body truck bed into the ultimate diesel-powered party on wheels. Meanwhile, Diesel Dave convinces Heavy D to give his El Camino what she needs to get back on the road.

Heavy D puts the petal to the medal on his next SEMA build: a 6x6 with a custom full-track assembly that can handle any terrain in style. Meanwhile, Diesel Dave adds the finishing touches to his dream El Camino before revealing it at Monster Jam.

Heavy D has big plans to convert a Vietnam-era bridge boat into the world's only diesel-powered surf boat. Later, the guys head to California to track down a rare Excursion to use in their next giveaway.

Heavy D is in deep with his insane diesel-powered boat conversion and is on the verge of seeing his dreams sink. Meanwhile, the race is on to get their MegaTrucks in working order before the epic showdown in the Pit against the Dirty 7.