Rotella is designed specifically for Diesels, you can find it at any Walmart with an Auto Center. I would not put just any 15 W 40 in a diesel there are special additives in diesel oil that are not present in regular motor oil.
12 quarts 15w4012 quarts 15w40
I got two wires coming out of the fuse box that goes to the battery that if I move them my truck will start
ATF+4
Atf
Height sensing proportioning valve.
If a 1999 Dodge Intrepid timing chain goes out a valve in the head can easily be damaged.
Mopar ATF+4
Mopar ATF+4
Up to 2002, 80w90 2003 and later 75w90 synthetic
Have the Cummins computer checked for trouble codes.
5w30 or 10w30
4.5 quarts