Ensure your semi truck is Ready for the Road Ahead™ with an updated drivetrain, with the Transaxle Remanufactured Forward 13-Speed Automated Transmission. This replacement transmission transfers power from an engine's crankshaft to its wheels, allowing the vehicle to move forward or backward at a variety of speeds. Engineered with a sophisticated design that pairs with transmission fluid / oil that lubricates, cools, and seals a system. FleetPride is your First Click in Heavy Duty®.