Vertex Magna CI-4 15W-40 is a premium performance, multigrade, heavy-duty diesel engine oil specifically designed to lubricate a wide range of diesel and gasoline engines requiring API CI-4, SL, ACEA E7 performance specifications. Exceptional soot control reduces sludging, filter plugging, oil thickening and abrasive wear. Excellent deposit control on valves and pistons reduces oil consumption. Exceptional oxidation and thermal stability extend oil drain intervals keeping heavy duty equipment in service. Anti-wear additives protect against valve train wear and scuffing of highly loaded parts operating under the most arduous conditions. Features and Benefits: • Suitable for mixed fleets of European, North American diesel engines (high speed, four-stroke, turbocharged or naturally aspirated engines). • Suitable for use in older gasoline engines. • Commercial road transport, including the latest electronic controlled engines. • Meets major diesel engine manufacturers requirements. • Suitable Stop-and-go vehicles in high soot loading service such as buses and waste collection trucks. • Suitable for heavy duty Off-highway vehicles and machinery.