"Normal" Oil Usage
I have a Cat C7. How much oil should it use in a year? Should I never add oil between the yearly changes or is it normal to add oil? When should I worry? I just had to add 2 quarts - the last oil c...
Forum Discussion
donsuefuggrwe wrote:I've found this to be true in many of the commercial tractor trailers I have driven over the years, both Cummins and Detroits. Fill them out and they will blow out about 2 qts the first day, and level off at 2 qts low. So I also have always ran at 2 qts low, and it seems to stay right there. Have noticed that when it starts using oil, that it is a indicator of the need for a oil change. Can't comment on Cats, cause I have never driven on on a regular basis.
I run my 300HP Cat 2001 Tradewinds 2 quarts low. If I fill it to the full line on the dipstick it quickly blows out or burns or whatever two quarts.
