Citgo Petroleum Corp. announced that its Citgard 600 15W-40 and Mystik JT-8 15W-40 heavy-duty engine oils meet the new Detroit Diesel Corp. Power Guard oil specification 93K214.
The company noted that Citgard 600 15-W-40, Mystik JT-8 15W-40 and 15W-50 meet the API CI-4 Plus specifications.
For more information, visit www.citgo.com.