6-Speed Manual Transmission

The G56 manual transmission is a robust 6-speed gearbox engineered for heavy-duty Dodge Ram applications. This unit is specifically designed to work with 4WD models equipped with either the 5.9L or 6.7L Cummins Diesel engines. The G56 transmission offers a wide range of gear ratios, providing versatility for various driving conditions. This particular transmission, identified by part number 52104715AC, serves as a direct replacement for other Mopar part numbers including 52104715AC, 52104715AE, and 400-00455. It is also listed as a replacement for 68104715AA. The G56 transmission was utilized in Ram 2500, 3500, 4500, and 5500 pickup and chassis-cab trucks from the 2005 model year through 2018. Installation of this G56 transmission is intended for 2005-2018 Dodge Ram 2500 and 3500 4WD models with 5.9L or 6.7L Cummins Diesel engines. While the G56 transmission is known for its durability, the clutch and flywheel are considered its weakest link. Addressing these components proactively can ensure a lifetime of reliable service.