Everyone knows that all the horsepower in the world don’t mean Jack if you can’t get it to the ground consistently. Having the absolute best drivetrain backing a monstrous power plant is essential to making it through Ultimate Callout Challenge. Looking to prove that Tom Hauser, owner of Rev Max Converters will be driving his competition truck the whole 2500-mile round-trip, no spare transmission, just a couple of big turbos hung off his destroked 6.4L Cummins engine and the nastiest 68RFE transmission his crew can build. Hauser’s goal is to prove that the 68RFE can compete at the highest level while placing well in each of the three events.