Get your semi truck Ready for the Road Ahead™ with an updated drivetrain, with the Transaxle Remanufactured Forward 18-Speed Manual Transmission. Due 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. Constructed with an advanced design that pairs with transmission fluid / oil that seals, lubricates, and cools a system. FleetPride is your First Click in Heavy Duty®.