Synthetic oil for extreme cold weather

Shell Rotella T6 0 W 40Shell Lubricants’ Shell Rotella T6 0W-40 is a full-synthetic heavy-duty diesel engine oil designed for extreme cold conditions. The oil uses free-flowing synthetic base oils formulated to allow reliable pumping on startup under extreme cold climate conditions, yet remain thick enough under high-temperature operation to protect against engine wear. Shell Rotella T6 0W-40 meets the specifications for API CJ-4, API SN, Volvo VDS-3, Mack EO-N and Caterpillar ECF-3, ECF-2 and ECF-1A.