if the speedo is also not working it could be a vss problem or an issue with the gear or square shaft where speedometer hooks to tranny/ if speedo works just no overdrive there is a temp sensor on the tranny that can keep od from working or may be wiring issue with factory od on/off switch
47RH or also called an A51847RH or also called an A518
47RE
A518 is the transmission if it is an automatic, and if it is a manual then it is a Getrag 360.
It is a completely different transmission than what was used with the diesel before.
A518
The automatic is a 47 RE. The manual is a NV4500.
Mopar ATF+4
The automatic is a 47RE. The manual is a NV4500.
The manual is called a G56. The automatic is called 48RE.
Mopar ATF+4
The automatic transmission behind the Cummins engine in a Ram 2500 is a Chrysler transmission. Depending on the year it could be a 47rh, 47re, 48re, or a 68rfe.
it takes 6 qts