Season 4 Episodes
1. Big Bro Bus
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.
2. School Is in Session
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.
3. 2 Wheel Drive
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.
4. Yo Soy Diesel
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.
5. Diesel Defender
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.
6. De-Ice Ice Baby
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.
7. Yes Way, Jose
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!
8. Tuff Truck Takedown
After Chet and Tyson of Goon Garage challenge the guys to a Tuff Truck race, Sparks Motors rebuilds a wasp-infested old Jeep, and the Goons rebuild a water-logged Blazer.
