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.

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.

In Nome, Alaska, the gold rush is on. Meet the dredgers, driven by gold fever and sometimes desperate need, who pilot their ragtag dredges and dive with hoses to suck up gold from the bottom of the frigid, unpredictable Bering Sea.

A bar brawl threatens not only Shawn's health but the Christine Rose's future. The Wild Ranger's luck is getting worse as they're down a man and have sprung a leak. The Sluicey's Ian calls in a friend who offers both experience and criticism.

The weather may be perfect, but storms are brewing onboard the dredges as egos clash and tempers flare. Emily's first dive is almost her last when she learns the dangers of dredging first-hand.

The season is halfway over, and tensions are running high as the dredgers search for new sweet spots. An accident with the 15 ton excavator threatens to end one deckhand's season.

A season of simmering grievances comes to a boil. Vern fires one of his crew. Emily falling overboard & a blocked sluice box test Zeke's patience. Rocks falling out of a faulty sluice box rain down on solo-diving Scott Foster's head.

Bad luck & bad vibes. The crews have a car accident on the way home from some hot springs R&R. A hastily welded winch roller gives way, releasing a cable that lashes Cody's leg, sending him overboard. Scott dives with an injured leg.

The dredging season is quickly coming to an end, & so are once trusted relationships between Zeke and Emily as well as Scott F and Ian. Shawn sends crewmember Robbi packing while Scott M swallows his pride and invites Steve back. But will he accept?

Winter sets in. The now short-staffed crews try to go out once more before the ice blocks them in. Each on their own, Emily salvages & Scott M finds salvation. The crews take their earnings and face off at an auction for next year's dredging grounds.