Outfit your semi truck to be Ready for the Road Ahead™ with an updated drivetrain, with the Transaxle Remanufactured 18-Speed Manual Transmission. Thanks to its ability to nestle into an existing system, this replacement transmission is able to transfer power from an engine's crankshaft to its wheels to enable forward and backward movement at a variety of speeds. Crafted with a sophisticated design that pairs with transmission fluid / oil that cools, lubricates, and seals a system. FleetPride is your First Click in Heavy Duty®.