Mastermax SAE40 API CF/SF is a premium mono-grade diesel engine oil specially formulated with high-quality base oils and carefully selected additives. Designed for heavy-duty diesel engines, it provides consistent lubrication and protection against oxidation, deposits, and corrosion. This oil ensures smooth operation and long service life of engines operating in mild to moderate conditions. It is suitable for turbocharged and intercooled engines, offering effective control over sludge and varnish formation. Its excellent shear stability and thermal resistance maintain viscosity across varied operating temperatures, while its detergent-dispersant properties help keep engines clean. SAE40 API CF/SF meets API CF/SF service classifications, making it a dependable choice for both modern and older-generation diesel engines.




SAE40 API CF/SF is a high-performance mono-grade diesel engine oil, formulated to deliver reliable lubrication, wear protection, and cleanliness in turbocharged and intercooled engines under mild operating conditions.
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