Ep 4. Yo Soy Diesel

In season 4, episode 4 of Diesel Brothers, titled "Yo Soy Diesel," viewers are in for a treat as they follow the Diesel Brothers in their continued quest to build the biggest and baddest diesel trucks on the planet. In this episode, the crew takes on one of their most exciting challenges yet: creating a truck that can run on biodiesel.

The team has never attempted a project like this before, so they start by doing their research. They consult with experts and visit facilities to learn everything they can about biodiesel, including how it's produced, how it affects engine performance, and how it can be used to power a truck. Armed with this knowledge, the Diesel Brothers set out on their mission.

The first step is finding a truck to convert. The crew doesn't have to look far, as they find a 1997 Ford F-350 that's the perfect candidate. They get to work right away, tearing the truck apart and preparing it for its biodiesel conversion. This involves installing new fuel lines, a new fuel pump, and a new fuel tank to handle the special fuel.

Meanwhile, the team is also working on some other exciting projects. Heavy D and Diesel Dave take on a unique challenge when they're tasked with converting a Humvee into a camper. The guys have to figure out how to make the massive military vehicle feel like home, with all the creature comforts one could need.

On top of all this, the Diesel Brothers are also building a massive, one-of-a-kind sleeper cab for a client who wants to be able to comfortably haul his family and his dirt bikes across the country. The build involves a ton of custom work, including a full-size shower, a kitchen, and plenty of storage space. The team even goes so far as to include a fold-down ramp that can be used to unload the dirt bikes.

As the biodiesel conversion progresses, the guys run into a few bumps in the road. They realize that the fuel is causing some of the engine components to corrode, and they have to find a way to prevent this from happening. They consult with some experts and brainstorm some solutions, ultimately coming up with a plan to use a special coating on the engine parts.

After weeks of hard work, the biodiesel truck is finally ready to go. The Diesel Brothers take it for a test drive, and even they're surprised by how well it performs. The truck has more power than ever before, and it runs great on the renewable fuel. The guys are thrilled with the results of their hard work and dedication, and they're excited to see what other challenges lie ahead.

Overall, season 4, episode 4 of Diesel Brothers is a thrilling look at the world of diesel trucks and the dedicated team that makes them possible. With exciting builds, new challenges, and plenty of personality, this episode is a must-watch for fans of the series and anyone who loves big, powerful trucks.