Shell Lubricants introduced a new portfolio of Shell Rotella heavy duty diesel engine oils. New Shell Rotella T4 Triple Protection 15W-40 and 10W-30 along with Shell Rotella T5 Synthetic Blend 10W-30 are formulated to meet the specification criteria for the new API CK-4 service category for diesel engine oil. They are the most technologically advanced Shell Rotella engine oils ever…
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