The 68RFE transmission is a heavy-duty six-speed automatic developed by Chrysler to handle the high torque output of the 6.7L Cummins diesel engine. Introduced in Ram 2500 and 3500 trucks, it combines robust mechanical components with electronically controlled shifting. Adaptive shift logic and variable line pressure allow the transmission to respond to load, terrain, and driving style. Known for its serviceability and upgrade potential, the 68RFE transmission remains popular among towing enthusiasts and fleet operators seeking durability with modern electronic control.
