This is my 3 cummins I have had one of every gen and my 92 was supose to have 13 quarts my 02 was supose to have 12 quarts and my 06 was the same according to the book but I took 3 gal (12 quarts) to the dealer and told them to change the oil and when I went to pick it up they said they where 1 qt short and they got one for at the cost of $5. 00 :--) I was hot but I said to my self that mabey I was in the wrong but then I looked in the book and it says 12 but they will not do anything about it I checked it after it sat all day and it was over full but they will not drain any because they checked after I drove to the shop and it sat for 2 min whats every ones elses opinion thanks