Gas motor oil in Cummins? - TDR Roundtable

Gas motor oil in Cummins?

09-23-2003, 04:40 PM

#1 (permalink)

d2500

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Join Date: Sep 2003 Posts: 30

Gas motor oil in Cummins?

If a gasoline syn oil conforms to the API CF-4 standard as stated in the owners manual, can it be used in a diesel engine?

Also, the manual makes it seem that 10w30 is more versitile than 15w40 (temperature range wise), so why is not your first choice?

Thanks in advance!

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