Depends on the year and the engine.
Diesel 15w40
5.9L V8 10w30
V10 10w30
5.7L V8 5w30 or 5w20 (check the fill cap or owners manual)
The 3.0L diesel engine uses 5W40 synthetic diesel engine oil. It holds approximately 13 quarts.
7 quarts
13 quarts of 5w40 synthetic diesel engine oil.
The 5.9L Cummins engine holds twelve quarts of engine oil.
12 quarts 15w40
The engine holds twelve quarts.
5w30
5w20
The engine holds twelve quarts.
0w40 synthetic or 15w40 conventional.
12 quarts of 15w40 synthetic oil.
A gas engine uses 10W30. A diesel engine uses 15W40.