Check the owner's manual. It varies based on engine type and size, type of load you will be carrying, and the expected operating temperature range.
5w30 or 10w30
A 2001 Dodge Ram does not have EGR.A 2001 Dodge Ram does not have EGR.
In the oil pan
10w30
10w30
5
10w30
5 quarts
5 quarts
10w30
5w30 or 10w30
10w30