Star Brite Pro Star Super Premium Heavy Duty Motor Oil SAE 15W 40-32 oz Exceeds OEM requirements will not void engine warranty Recommended for engines requiring API CI level performance Exceeds warranty requirements for all diesel and gasoline engines specifying SAE 15W40 grade These oils equal or exceed the performance of all national brands of oil. API service classification including Catepillar, Cummins, Detroit Diesel, Mack, Navistar and Volvo These are high performance oil specially made for today-Feets high performance Diesel engines. Recommended for applications requiring ACEA E3 &amp; E5, MB228.3, Cummins CES 20077, 20076, 20072 &amp; 20071, DDC/MTU Type 1 &amp; 2, Mack EO-M Plus, EO-M &amp; EO-L Plus, Volvo VDS &amp; VDS-2, Allison C4, JASO DH1, MAN 271 &amp; 3275 Global DHD-1 performance API Service Classifications; CI, CH-4, CG-4, CF-4, CF, CE, CD/SJ, SH and EC Heavy-duty formulation minimizes engine wear to provide long-engine life Exceeds the highest performance specifications for engines requiring CI service.