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.