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.

We have over 38,000 sq.ft. of working space and 6 full service bays to meet your fleet needs. With an on-site remanufacturing facility and a one-of-a-kind SuperFlow transmission dyno, you can expect minimal wait times, superior quality, and great prices.

Each and every unit is tried, tested, and tuned by our ATRA certified technicians, who stay with each unit throughout its build process. This close attention to detail means less downtime for your vehicles, and the reassurance that your ready and able for anything that comes your way.