The Diesel Brothers are back! Diesel Dave picks his first giveaway truck and dreams big attempting to build the 2020 version of the Kodiak. Todd LeDuc challenges the guys to a desert race and flips the script by picking The Muscle to be on his team.
Diesel Dave continues work on his epic modern-day Kodiak while making sure he doesn't break the bank. Sam the Mad Scientist then unveils "The Kraken" -- a diesel-powered monowheel vehicle that is unlike anything the guys have ever seen.
Heavy D surprises the mechanics with his latest build: a tank. He has big plans for the beast, but must first find a new engine and get it moving again. Meanwhile, Heavy D, Diesel Dave and the Muscle personally trick out their latest giveaway truck.
The Diesel Brothers continue work on their tank build, but transmission troubles put the project in jeopardy. Meanwhile, the shop splits into teams for an epic build-off between an AMC Eagle and a Subaru Brat for the Tour de Utah off-road race.