The 2004 Dodge Ram equipped with the 5.9L Cummins diesel could be paired with either an automatic four-speed (47RE or 48RE) or a manual transmission (NV4500 or NV5600), depending on the truck’s configuration.
Transmission options for the 2004 5.9 Cummins
Below are the common transmission choices that appeared with the 04 5.9 Cummins in Dodge Ram heavy-duty pickups. Availability varied by model year, trim level, cab configuration, drivetrain, and factory options.
- 47RE automatic transmission — a four-speed automatic used in earlier Cummins-equipped trucks.
- 48RE automatic transmission — a heavier‑duty four-speed automatic introduced to handle higher torque in later 5.9L Cummins applications.
- NV4500 manual transmission — a five-speed manual commonly paired with the 5.9 in various trims.
- NV5600 manual transmission — a six-speed manual used on certain heavy‑duty configurations.
The exact pairing for a given truck is determined by its build configuration. To confirm which transmission your specific 2004 Ram has, check the vehicle’s build sheet, VIN details, or the transmission tag/case stamping.
Summary
In short, the 2004 5.9 Cummins could come with either an automatic 47RE or 48RE, or a manual NV4500 or NV5600, with the exact option varying by model and equipment package. Verifying the specific transmission on your truck is best done through the build documentation or a direct inspection of the transmission itself.
What transmission does a 5.9 Cummins have?
Categories
| Year Range | Engine | Manual Transmissions |
|---|---|---|
| 1996 to 2002 | 5.9L (12v/24v) | NV4500, NV5600 |
| 2003 to 2007 | 5.9L (CR) | NV5600, G56 |
| 2007.5 to 2012 | 6.7L | G56 |
| 2013 to 2018 | 6.7L | G56 |
What year did Cummins have a 47RE transmission?
47RH Transmission (1994–2002) 47RE Transmission (1997–2002) 48RE Transmission (2003–2007)
What years did Dodge use the 46RE transmission?
This transmission was home in the robust Dodge Ram 1500, 2500, and 3500 trucks, along with select Dodge Dakota and Dodge Durango models. It was offered in two exciting variations: 46RH (Hydraulic) – Used from 1988-1995. 46RE (Electronic) – Used from 1996-2003.
What does a 48RE transmission fit?
What Vehicles Are Compatible With The Dodge 48RE? Our remanufactured 48RE transmission is suitable for use in 2003-2007 Dodge RAM 2500 and 3500 trucks using the 5.9-liter Cummins Diesel engine.