
Heavy Hauler® Race Series
All Heavy Hauler® transmissions come with a 1yr/25,000km warranty. Each Heavy Hauler® is dyno load tested, on our one-of-a-kind SuperFlow transmission dyno, to 700 ft-lbs of torque. Each unit is tested, tuned & Engineered Beyond The Gears©! The Heavy Hauler® Series is the best built heavy duty transmission on the market.

With numerous trucks setting records with a Heavy Hauler® installed, it's no wonder why it is the choice of champions in competitive diesel motorsports. Our line up of Duramax, Powerstroke, and Cummins Heavy Hauler® transmissions includes models to handle any task you have set forth for your truck. From trailer towers to full on race prepped trucks, we have a Heavy Hauler® matched to your specifications.




