Originally Posted By: avss1
Cummins recommendation for TBN of HDDO:
2.5 number minimum or half new oil value or equal to total acid number (TAN)
http://www.kleenoilusa.com/pdf/warranty/Cummins-Oil_ServiceBulletin_May-07.pdf
2.5 minimum or half new oil value means either 2.5 or 5 or so. That's quite a spread, right? how do they justify such a loose standard?
Cummins recommendation for TBN of HDDO:
2.5 number minimum or half new oil value or equal to total acid number (TAN)
http://www.kleenoilusa.com/pdf/warranty/Cummins-Oil_ServiceBulletin_May-07.pdf
2.5 minimum or half new oil value means either 2.5 or 5 or so. That's quite a spread, right? how do they justify such a loose standard?
