Reliant™ Heavy Duty Engine Oil SAE 10W

D-A Reliant™ Monogrades are technologically-advanced heavy-duty diesel engine oils, designed to provide extra protection against deposits and wear for engines operating in heavy duty service. D-A Reliant™ Monogrades support the performance requirements for diesel engines requiring an engine oil meeting CF and SM. Innovative concepts have been incorporated into D-A Reliant™ Monogrades to provide efficient equipment operation and improved component durability.

D-A Reliant™ Monogrades are blended from only US refined high-quality base oils. D-A Reliant™ Monogrades contain just the right combination of active diesel detergents and dispersants, anti-wear agents, and oxidation, rust, and corrosion inhibitors.


Additional information


Viscosity profiles meet the full requirements for protection and performance. Always consult your owner’s manual for proper oil viscosity and quality selection guidance.


Available in a wide range of packaging including:
Part Number Packaging
51911 Bulk
51912 55 Gallon Drum
51913 330 Gallon Tote
51918 5 Gallon Plastic Pail
51919 5 Gallon Metal Pail


API Approvals: CF, SM

For full product details, please click on the provided PDS sheet.