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.

Mad Scientist Sam's wild creation, The Kraken, comes to life but Heavy D continues to be skeptical of the build's potential viral success. A high profile client wants to customize a Ram 3500, which puts Diesel Dave and The Muscle to the test.

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.