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    Our Majestic HDEO line of heavy-duty diesel engine oil helps owners of rigs, construction equipment, farm implements and other hard-working vehicles achieve maximum performance and extended life from their diesel engines. Our lubricants are specially formulated to meet the needs of different engine types and working conditions.

    Regardless what Majestic motor oil you use, you can rest assured that it has the optimal combination of important additives to better meet the demanding requirements of modern engines. Our select additives are the “working ingredients” in Majestic motor oil.  They include the following:

    • Detergents
    • Dispersants
    • Anti-Wear Agents
    • Extreme Pressure Additives
    • Oxidation Inhibitors