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    Home - lubricant oil -  Diesel engine oil

    Diesel engine oil

    Diesel engine oil CF-4 10W40 4L*6PCS

    Diesel Engine Oil CF-4 10W40 is a lubricant designed for medium to heavy-duty diesel engines. Its core focus is to strike a balance between cold-start performance and high-temperature lubrication, while meeting the key requirements of API CF-4 specifications such as anti-wear and anti-oxidation.
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    Features

    1. Anti-high-temperature deposit property: Certified by API CF-4 standard, it can effectively prevent the formation of high-temperature carbon deposits and sludge on the top of engine pistons and valve guides, thus extending the engine's cleaning cycle.
    2. Anti-wear protection: With the addition of anti-wear agents, it forms a stable oil film during high engine loads (such as heavy-load climbing), reducing wear on critical components like piston rings and crankshafts, and prolonging the engine's lifespan.

    Application

    Construction machinery: loaders, excavators, rollers (such as non-electronic injection models of brands like Komatsu and Caterpillar); agricultural machinery: tractors, harvesters and other agricultural equipment. Applicable environment: suitable for year-round use in temperate and subtropical regions, or for use in spring, summer and autumn in cold regions (in severely cold areas in winter, it is recommended to switch to a lower viscosity grade such as 5W40).

    Technical Data Sheet

    Technical requirements and test methods of CF-4 diesel engine oil
    project
    quality index
    Experimental method
    Viscosity grade
    10W40
    GB/T 14906
    kinematic viscosity (100°C),mm²/s
    14.6mm²/s GB/T 265
    Low temperature dynamic viscosity mPa· s  Not more than
    7 000(-25℃)
    GB/T 6538
    Low temperature pumping viscosity, mPa· s is not greater than when there is   Not more than
    60 000(-30℃)
    SH/T 9171
    Flash point (opening) ℃ No less than
    240℃ GB/T 3536
    Pour point, ℃ Not higher than
    -32℃
    GB/T 3535

    Grease Usage Notice

    It should be noted that the CF-4 specification is a relatively basic grade of diesel engine oil. For diesel engines with electronic fuel injection systems that meet or exceed the National IV emission standards (such as those equipped with SCR and DPF systems), higher-grade engine oils (such as CI-4 or CJ-4) should be used to prevent malfunctions in the after-treatment system due to an incompatibility of the engine oil grade.

    Package

    Applications