The 48RE automatic transmission was used in Dodge Ram trucks from 2003–2007. Paired with the 5.9L Cummins engine, it’s a strong performer, but serious towing and heavy-duty applications benefit from upgrading to an Allison transmission conversion kit.
48RE transmission, Dodge Ram 48RE, 2003-2007 Dodge Ram transmission, 5.9L Cummins 48RE, Dodge Ram automatic upgrade, Cummins Allison conversion kit, 48RE transmission towing, heavy-duty Dodge Ram transmission, CPP Diesel 48RE