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.

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.

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.

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.

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.

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.

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.

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.

No description available

No description available

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.

No description available

For the Dieselsellerz giveaway, Thunder vs. Lightning, two lifted F450s compete and the winner decides which one to take home; the guys continue turning a busted '69 Chevy C10 into a diesel low rider for a millionaire client.

The guys build an amphibious Sisu Nasu for the local sheriff; the next work truck giveaway: a Dodge 5500 with all the bells and whistles.

Heavy D adds a second truck to their latest giveaway and comes up with a stunt to promote it: a race across a lake on snowmobiles. Then, the guys head to Houston with giant diesel trucks and supplies to help Hurricane Harvey victims.

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

A new client asks for a monster school bus capable of driving over sand and water; Redbeard discovers the Mello Yello racecar from the "Days of Thunder" movie and finds the perfect buyer for it.

A client asks Heavy D and his crew to turn a Ford F550 into a tough 6x6 farm truck that's also a rolling showcase for biodiesel fuel; Heavy D uses the power of physics to drive a truck on just two wheels.

A client asks Heavy D to turn a Ford F550 into a tough 6x6 farm truck that's also a showcase for biodiesel fuel; the guys make their dreams come true when they build the first diesel Monster Jam truck.

The guys pull out all the stops on a build for their lawyer Cole-converting a rare Land Rover Defender from right hand drive to left hand drive. And Heavy D tries to get more money to the shop by parting 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 F350 broke down. And the guys put together the shop's first-ever diesel Motorcycle, with a Magneto!