Primarily installed in Ram 2500 and 3500 trucks with the Cummins 6.7L diesel, the 68RFE transmission serves a wide range of towing and hauling needs. It occupies a niche below the Aisin transmission, offering a balance of strength and adaptability. The aftermarket supports extensive upgrades, including billet torque converters, upgraded valve bodies, and custom tuning. This flexibility makes the 68RFE transmission a favorite among enthusiasts seeking performance, serviceability, and extended operational life.