CHAMPION UltraFleet Full Synthetic (CK-4) series engine oils are designed to provide industry-leading performance to meet the needs of the next generation of heavy duty engines. Increased power density, reduced oil volume and extended drain intervals place unique demands on engine oils to control oxidation by-products, sludge and deposits. High TBN Retention Increased Wear Protection Oxidation Resistance OEM Certified Longer Drain Intervals Improved Fuel Economy CHAMPION UltraFleet Full Synthetic (CK-4) series engine oils meet or exceed the following specifications: API CK-4, CJ-4, CI-4 Plus, SN Volvo VDS-4.5, VDS-4 Cummins CES 20081 Renault VI RLD-3 ACEA E7-16, E9-16 Cummins CES 20086 Detroit Diesel DFS93K222 Mack EO-O Premium Plus JASO DH-2 Detroit Diesel DFS93K218 Ford WSS-M2C171-F1 CAT ECF-3 Part# 4164N/4 4/1 Gal.