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 client asks for the biggest build yet -- a monster school bus that can drive over sand and water.

A client asks Heavy D and his crew to turn a Ford F-550 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 F-550 into a tough 6x6 farm truck that's also a showcase for biodiesel fuel, and the guys make their dreams come true when they build the first diesel Monster Jam truck.

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.