Sunoco Super C 15w-40 is a convention heavy duty fleet diesel engine oil. Super C is a mixed fleet diesel engine oil line manufactured by Sunoco Lubricants. Super C can be used with complete success in over-the-road diesel trucks, off highway diesel equipment, farm tractors, and passenger cars and light trucks with diesel engines. It is specially formulated for compatibility with exhaust after treatment systems using diesel particulate filters (DPF), diesel oxidation catalysts (DOC) and/or selective catalytic reduction (SCR). 15w-40 is the thickness of the oil based on Society of Automotive Engineers (SAE) standards.
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