The Ford E4OD transmission was designed to fit behind various powerplants ? including gas and diesel engines. Most failures revolve around the torque of the diesel motor, especially when power is increased over stock. The good news is that the framework of the E4OD allows for substantial increases in reliability and capability. ATS E4OD?s feature: ATS Five Star Torque Converter featuring a billet cover, five lock-up clutches, available in either low or high stall configurations High performance overdrive, intermediate and forward clutch packs, with one additional clutch added per section Modified transmission pump to increase line pressure, which provides increased clamping force on the clutch packs Modified valve body that focuses around precise shifts, increase line pressure and increasing the torque capacity of the E4OD New bearings, seals and gaskets New low roller clutch, heavy duty intermediate sprag, bonded coast and overdrive pistons ATS Deep Transmission Pan which adds 5 quarts of fluid over stock, which helps keep the transmission cool The ATS Stage 1 Package is designed for trucks that are used for light towing, daily driving and stock or slightly modified power levels. The transmission package comes with a 5 year / 500,000 mile warranty. For specific applications or uses, contact ATS to discuss learn more about which package is right for you.