Plot Synopsis

DIESEL BROTHERS is a one-hour reality series that follows Heavy D, Diesel Dave and their crew at Dieselsellerz, as they trick out trucks, work hard and play harder in the process. Starting off their business by buying used or broken down trucks and tricking them out for sales, Heavy D and Diesel Dave use the internet/social media as marketing tool to share their best pranks and stunt driving. Millions of hits later, Dieselsellerz has become the destination for diesel lovers looking for tricked out trucks, crazy stunts, pranks and hilarious antics. In the season opener, "Free Willy's," the team turn a rusty 1948 Willy's Jeep into a diesel-drinking monster for a new client, and find the next giveaway truck at a gas station: a pristine LBZ Duramax.

The sophomore season of DIESEL BROTHERS premiered on Monday, January 16, 2017 at 10pm ET/PT on Discovery Channel. The season openers with "Callout Fallout," when the frame on Heavy D's "quick flip" is unsalvageable, and he decides to turn it into the ultimate mud truck. Chavis gets more than he bargained for when he's invited to bring his custom race truck to the Call Out Challenge truck competition In the rest of the season, builds include a beat-up Chevy Duramax turned into a Monster Truck and a chopped Ford Powerstroke with roll cage and hydraulics that somersaults forward. The mega builds and signature truck giveaways are serious business and this season, looking for tricked-out extreme diesel trucks are former running back Marshawn Lynch and actor Chuck Norris.

Season 3 of DIESEL BROTHERS premiered on Monday, September 4, 2017 at 9pm ET/PT on Discovery Channel, as Heavy D, Diesel Dave, The Muscle and Red Beard, along with the rest of the Dieselsellerz crew, return for bigger builds, awesome truck giveaways, and more hilarious pranks. This season, the guys get an invite to race the legendary Mint 400, but have to build a race truck in just a week to get there. Having always aspired to race, Heavy D fulfills his childhood dream to drive a monster truck, which he does at the Monster Truck World Finals. Beyond builds, the guys also attend the legendary Sturgis motorcycle rally, where they track down a one-of-a-kind, AWD, hydrostatic diesel motorcycle. The builds are bigger and badder this season starting off with a 5-ton military truck the guys transform into a monster snow plow, a stock F150 they turn into the ultimate towing rig for a client, a complete rebuild of their favorite SEMA favorite, the SuperSix and so much more. This includes amazing tuck giveaways like the MegaRam, a Titan XD with a Cummins motor, and a F250 Raptor.

Discovery premiered the fourth season of DIESEL BROTHERS on Monday, July 30, 2018 at 10pm ET/PT on Discovery. Heavy D, Diesel Dave, and the Dieselsellerz crew are known worldwide for their crazy online videos and their incredible, over the top truck builds, and this season the builds are bigger and badder than ever before. In the first episode, the guys meet a new client who asks for the biggest build yet - a monster school bus with a 40-foot drive train and 66-inch tires capable of driving over sand and water. But will they be able to actually pull off such a major build? And 'The Muscle' brings in his own client build for a gym buddy -- a Raptor-style F250. That is, if Heavy D lets him finish the job. Later in the season, the series will pick up on the headline-grabbing viral YouTube video from last month where a family's vehicle broke down in Northern Utah and were peppered with insults. The video caught the attention of 'Heavy D,' who was so angered by the incident that he offered to not only repair the vehicle, but also modify it for free. In a Facebook video, Heavy 'D' said he wanted to prove that not everyone in the U.S. and in Utah is "like this" and that there are "good people" out there.

Season 5 of DIESEL BROTHERS premiered on Monday, April 8, 2019 at 10pm ET/PT on Discovery Channel. This season, the Diesel Brothers continue to blur the line between work and play, committed to the biggest builds they've ever attempted, yet willing to drop everything for a game of dodgeball. One of their first builds is a mammoth undertaking, in which they transform an old Canadian logging truck into a custom semi that can transport their diesel creations around the country with enough room for all the bros. They execute the biggest giveaway to date, offering up two trucks named Rage and Chaos. They even get airborne after being commissioned to create a diesel-powered helicopter bucket to spread fertilizer up in Oregon. In the season opener, "Soar Like a Diesel," 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.

The sixth season of DIESEL BROTHERS premiered on Monday, December 9, 2019 at 8pm ET/PT on Discovery. "This season is chock-full of firsts and sure to amaze audiences coast-to-coast. The dream team at DieselSellerz will attempt to build their first ever diesel-powered boat, their first electric drag-bike, and their very first mega-truck." To the DIESEL BROTHERS, nothing is impossible, and no build is too challenging. As Heavy D explains, "Really bad ideas are often the really good ideas." Kicking off the season in style, the team first sets out to build a mobile DJ party trailer complete, of course, with a tricked-out truck to pull it. This sends Diesel Dave and The Muscle on a mission to find the perfect square-body truck, not an easy feat since square bodies are more than 30-years-old. And Sam, the team's "diesel mad scientist" has come up with a plan to power an electric mini drag bike to race a Lamborghini Huracan. Will this battery-powered bike -- costing no more than $500 -- beat a $250,000 car? As daylight in Utah dims, Heavy D buckles up on an 80-volt powered mini-bike putting his money where his mouth is.

DIESEL BROTHERS returned for its seventh season on Monday, June 22, 2020 at 10pm ET/PT on Discovery. illed with more mega builds, epic stunts, and iconic pranks than ever before, Heavy D, Diesel Dave and The Muscle continue to blur the line between work and play. When Todd LeDuc challenges the Diesel Brothers to a desert race and picks Muscle to be on his team, Heavy D and Diesel Dave need to work in overdrive to get their unfinished F100 in race-ready condition. Also this season, Heavy D and Diesel Dave travel to Monster Jam in Florida to unveil Diesel Dave's 'Monster Truck Bro Camino,' and Mad Scientist Sam later builds a diesel-powered monowheel vehicle known as 'The Kracken' with two tentacle like wheels. With more stunts, builds, pranks and dad jokes than ever, Monday nights are guaranteed to be trucking huge. In the season opener, "Back with a Kodiak," the Diesel Brothers are back! Diesel Dave picks his first giveaway truck and dreams big attempting to build the 2020 version of the Kodiak. Todd LeDuc challenges the guys to a desert race and flips the script by picking The Muscle to be on his team.

On Saturday, August 8, 2020 from 8-11pm ET/PT, Discovery Channel premiered "Monster Jam Breaking World Records," a three-hour DIESEL BROTHERS special that debuts on the eve of SHARK WEEK. Last year, the Diesel Brothers made history when they successfully jumped their massive, 12,000 pound BroDozer Monster Jam truck over a flying airplane, stunning audiences around the country. This year, the team -- Heavy D and Diesel Dave, along with TV personality Chris Jacobs -- reunite with their friends at Monster Jam for an even more epic night of record-breaking stunts and Guinness World Record attempts at never-before tried feats. To dial the danger up a notch, veteran drivers from Monster Jam will attempt seven stunts striving to etch their names into the history books. For the first time in months, fans will have a front row seat as their favorite drivers climb back in their Monster Jam trucks to wow audiences with their jaw-dropping stunts.
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Season 8 of DIESEL BROTHERS premiered on Wednesday, November 9, 2022 at 10pm ET/PT on Discovery Channel. This season, the Diesel Brothers are preparing to make diesel history! The plan? Gather 10 of the most iconic diesel vehicles ever built, give them a complete overhaul, and auction them off in the wildest diesel auction ever! What could possibly go wrong?