Royal Purple 85456 Duralec Ultra 10W-30 Synthetic Diesel Motor Oil 5 Gallon

Royal Purple Duralec Ultra 10W-30 is a high-performance synthetic diesel motor oil specifically formulated to maximize performance and meet the demands of today's heavy-duty engines. This advanced motor oil combines premium base oils with Royal Purple's proprietary Synerlec additive technology to optimize engine performance and provide superior protection in rigorous on/off highway applications.

Key Features:

• Delivers unsurpassed film strength and lubricity – up to 4X more than top competitors
• Fortified with high levels of zinc/phosphorus anti-wear additives
• Advanced synthetic solvency reduces engine deposits and keeps engines clean
• Superior oxidation resistance greatly extends drain intervals and minimizes oil degradation
• Reduces parasitic loss to save fuel
• Meets or exceeds API Service CK-4, CJ-4, and CI-4+ performance requirements for heavy-duty diesel engines

The proprietary Synerlec technology creates a tenacious ionic bond with metal surfaces, providing superior protection upon startup and greatly increased film strength that helps eliminate metal-to-metal contact, even under severe conditions. Recommended for use in a variety of heavy-duty applications including commuting, over-the-road trucking, agriculture, construction, and mining.

Suitable for both two-cycle and four-cycle diesel applications including automotive, commercial fleet, and stationary industrial diesel engines. This 5-gallon pail provides excellent value for fleet operators and frequent oil change requirements.