In the diesel world, no one has more fun or builds bigger, badder trucks than Dieselsellerz. They turn a rusty 1948 Willy’s Jeep into a diesel-drinking monster for a new client & find the next giveaway truck at a gas station: a pristine LBZ Duramax.

When Redbeard challenges Heavy D to repurpose some old inventory, Heavy decides to marry a stretched 6 door F650 with a camper to create the ultimate expedition vehicle. And the guys buy a Hummer H1 from a mysterious mountain man.

Heavy D, Diesel Dave and the Dieselsellerz crew work to finish their epic monster mud truck for the giveaway, and The Muscle scrambles to find a buyer for the flashy Denali he bought without Heavy D's permission.

A client asks Heavy D & his crew to turn his beat-up work truck into an off-road mobile service station. Heavy D searches for the next giveaway truck, & Diesel Dave finds the Holy Grail: a 2nd generation, quad cab Dodge with a 12-valve diesel engine.

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

The Dieselsellerz are pulling out all the stops to build a cool hybrid for their good friend and stunt driver Tanner Godfrey. Meanwhile, time is running out for Heavy D to find a show stopping build for the upcoming SEMA trade show in Vegas.

Last year the Dieselsellerz put their insane builds on the map when they debuted their legendary MegaRam at the SEMA trade show in Vegas. With less than two weeks to go, it’s all hands on deck to finish a 6-wheel drive F550 in time for the big show.

When the frame on Heavy D's "quick flip" is unsalvageable, 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.

When The Muscle buys a battered El Camino to fix and flip, it might be too big a job for even the Dieselsellerz team to transform it. Heavy D and Diesel Dave find their next giveaway truck- a Ford F650 that’s a perfect platform for pure power.

The Dieselsellerz are cranking out their next giveaway: a quad cab Dodge with a 12-valve. When Black Rhino tools asks the guys for a show-stopping build for a trade show, they pull out all the stops- including importing a surprise from Sweden.

Heavy D comes up with a plan to rid the world of minivans by making and selling a mini version of Dieselsellerz’ legendary MegaRam. The F650 giveaway reveal will stretch the power of diesel to the limit when the F650 tries to pull an entire train.

Sick of the ridicule on social media, Heavy D decides to finally finish the "Fail of the Year" UTV. And the gridiron comes to the garage when NFL legend Marshawn Lynch asks the guys to build him a Beastmode UTV.

The Diesel Sellerz pick up a vintage fire truck to transform into a tow truck that can carry everyone in the shop. But before they get into the build, legend Chuck Norris comes to tap them for a truck for his latest project.

Heavy D, Diesel Dave and the Dieselsellerz crew scramble to salvage their Duramax giveaway after it goes up in flames. Heavy D ignores Redbeard’s strict budget restrictions to turn their company tow truck into a tricked out, lifted monster.

The guys face a huge challenge when a big dollar collector asks them to slam a 1969 Chevy C10; Heavy D and the guys are off to bike week at Sturgis to check out a one-of-a-kind hydrostatic diesel motorcycle.

Major league pitcher Jacob deGrom needs his OBS Ford revamped. The guys convert a British Land Rover defender from right hand drive to left hand drive.

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.

The Dieselsellerz pick up a vintage fire truck to transform into a tow truck that can carry everyone in the shop. And Heavy D is determined to finish the endless Fail of the Year UTV build.

Heavy D decides to test the physics abilities of the shop and build a somersaulting truck to use for viral videos. And The Muscle takes over a flip from Heavy D and turns a Dodge Ram into a badass modern pop-up camper.

The Diesel Brothers are up against the clock for their SEMA build: a replica Ford Bronco made from an F350 and an Excursion; Heavy D brings in physics help to make his dream of a somersaulting truck come true.

The Dieselsellerz SEMA build hits a snag, and the guys scramble to find a replacement. They decide to rebuild and give away their most iconic build: The Megaram.

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The Dieselsellerz are pulling out all the stops to completely rebuild the Super Six for a client; Heavy D faces a challenge when his neighbor asks him to turn a 5-ton military truck into a snow-demolishing plow.

The Dieselsellerz are pulling out all the stops to build a new giveaway: a Nissan Titan with a near-zero emission Cummins engine; Heavy D fulfills his lifelong dream to drive a truck in Monster Jam.