Royal Purple 87130 Duralec Super SAE 10W-30 Full Synthetic Diesel Motor Oil 55 Gallon Drum

Royal Purple Duralec Super SAE 10W-30 is a full synthetic, API CK-4 diesel engine oil engineered for modern emission-controlled diesel engines. Supplied in a convenient 55-gallon drum, it is purpose-built for fleet operations and high-volume users requiring a premium, emissions-compliant lubricant compatible with 2007 and newer emissions systems, including Diesel Particulate Filters (DPF), Catalytic Converters, EGR systems, and SCR injection — and is fully compatible with the ultra-low sulfur diesel (ULSD) fuels used across North America and Europe.

Duralec Super is specifically formulated to maximize component life, extend drain intervals, and improve fuel efficiency, while delivering outstanding high-temperature breakdown resistance and excellent low-temperature pumpability to minimize cold-start wear.

Key Features:

• Greater Wear Protection — Advanced additive technologies form a tough, tenacious film on metal surfaces for superior engine protection
• Outstanding Soot Dispersancy — Prevents soot-induced wear and keeps oil viscosity stable under heavy-duty conditions
• Extended Drain Intervals — Exceptional oxidation stability resists thickening, lacquer, and varnish formation to reduce oil change frequency
• Reduced Exhaust Emissions — Superior piston ring-to-cylinder wall seal reduces blow-by and improves combustion efficiency
• Keeps Engines Clean — Natural solvency dissolves and removes deposits left by conventional oils
• Superior Corrosion Protection — Enhanced rust and corrosion inhibitors protect critical engine components
• Will Not Harm Seals — Compatible with all standard engine seals; transitions easily from mineral or other synthetic oils
• Environmentally Responsible — Components are TSCA listed and meet EPA, RCRA, and OSHA requirements
• API Warranty Compliant — API-licensed CK-4 formulation compatible with other mineral and synthetic motor oils

Approvals & Specifications Met:

• API Service CK-4, CJ-4, CI-4 Plus, CI-4
• ACEA E7-16 & E9-16
• CAT ECF-3
• Cummins CES 20086
• Daimler MB 228.31
• Detroit Diesel DFS 93K222
• Deutz DQC III-10 LA
• Ford WSS-M2C171-F1
• JASO DH-2
• Mack EO-S-4.5
• MTU Type 2.1
• Renault RLD-4
• Volvo VDS-4.5

Ideal for commercial fleets, agricultural equipment, construction machinery, and other heavy-duty diesel applications requiring a high-performance, emissions-system-safe synthetic motor oil.