At Next Gen Diesel, we are proud to offer built 48RE transmissions for the 5.9L Cummins Ram 2500/3500! The 48RE is based on Chrysler's 727 TorqueFlite platform. This is a transmission known for extensive aftermarket support and upgradability. Through enhancements in materials used and upgrades to the units hydraulic efficiency, the unit is given great benefit in applications ranging from daily driving and towing, to drag racing and sled pulling. Once built, the 48RE can be an especially versatile and capable transmission.