Description Shell Rotella T5 10W-30 synthetic blend heavy duty diesel oil combines synthetic base oils with advanced additives to deliver excellent protection, even at low temperatures. Shell Rotella T5 10W-30 Diesel Engine Oil with Triple Protection Plus technology provides protection against wear, deposits and oil breakdown. Shell Rotella T5 delivers an average of 44% better than the maximum wear requirements , and provides hard-working protection that adapts to your driving conditions. Provides excellent wear protection beyond the recommended oil drain interval of 50,000 miles common for many engine manufacturers. Shell Rotella T5 10W-30 protects your engine like a heavier viscosity engine oil. Low ash formulation helps protect the exhaust catalysts and particulate filters found on the latest low emission vehicles.