You need a 44RE trans.
Since a 1998 truck was not available with a 383 you would have modify a trans that bolts up to a 383 to fit the truck.
It is a 46RE
The 42re/44re/46re trans has a governor solenoid, a tcc/od solenoid.The 45rfe has a solenoid pack that has about 5 solenoids built in.The 42re/44re/46re trans has a governor solenoid, a tcc/od solenoid.The 45rfe has a solenoid pack that has about 5 solenoids built in.
Service fill is about 5 quarts. Dry filll is about 12 quarts.
Generally, the 42RE, 46RE, 47RE (or RH versions), or the three-speeds
46RE
5.2L V8 will have a 44RE 5.9L V8 will have a 46RE
46RE46RE
The 46re transmission is the same, but the torque converter is different for each engine.
46RE46RE
auto trans Drain and fill 42RE,46RE 4 quarts 45RFE,545RFE 5 quarts Dry Fill 9-14 quarts use atf plus 4
They 46RH and 46RE transmissions were used in a range of Chrysler (Dodge, Jeep, Chrysler, Plymouth) vehicles in the 1990s, and was used on vehicles with either the 5.2 or 5.9 V8. Ram pickups and vans, Ramchargers, and the Jeep Grand Cherokee were some of the vehicles which used this transmission.