Shell Rotella T6 15W- 40 full synthetic heavy-duty diesel engine oil is suitable for virtually all modern low-emission heavy-duty engines and older diesel engines. With its wide range of specifications and approvals from many of the world’s leading engine makers, it is an excellent choice for on-highway fleets, general haul, construction, agriculture, public-transport operators and diesel pick-up trucks. Delivering excellent oil consumption control, Shell Rotella T6 Full Synthetic 15W-40 provides lower oil volatility in the Noack test compared to conventional Shell Rotella T4 15W-40. In API industry wear tests, Shell Rotella T6 15W-40 didn’t just meet CK-4 specs, it demonstrated an 85% improvement in copper corrosion protection and 98% improvement in lead corrosion protection than required, an average of 50% more wear protection than required. Providing better cold cranking properties and low temperature pumpability at -15 °C, Shell Rotella T6 15W-40 reaches critical engine parts faster than conventional and synthetic blend oils in colder temperatures to minimize wear (demonstrates better low temperature flow in SAE J300 requirements including MRV - ASTM D4684 and CCS - ASTM D5293). Shell Rotella Heavy-Duty engine oil provides excellent protection in agriculture equipment as well as in pickups, especially during busy planting and harvesting seasons.