Other details formulated with premium group ii base oils, Valvoline premium plus 15w, 40 engine oil is engineered to provide advanced lubricant performance in modern, Low emission diesel engines. Application new generation bsiii and bsiv engines of commercial vehicles like trucks and buses tippers. Ideal for both egr and scr diesel engines. Specification type mineral unique dispersant and detergent technology prevents formation of deposits on the engine surface advanced soot handling properties and regulation of oil viscosity extended tbn reserve enables extended drain interval capability, Extending performance with least oil changes excellent cold, Start Affordable safeguarding solutions temperatures elevated viscosity index ensures smooth operation spanning a vast expanse temperature range excellent Defense against abrasion prolonging engine, And corrosion life.