Royal Purple 88154 Duralec Super 15W-40 CK-4 Diesel Motor Oil - 320 Gallon Tote

Royal Purple Duralec Super 15W-40 is a high-performance full synthetic diesel engine oil engineered for emission-controlled diesel engines equipped with modern aftertreatment systems including DPFs, Catalytic Converters, EGR, and SCR injection. This 320-gallon tote is ideal for fleet operators and commercial users requiring bulk quantities of premium-grade diesel lubricant.

Formulated to meet API CK-4 and CJ-4 service classifications, Duralec Super delivers outstanding protection in both late-model low-emission diesel engines and older off-highway equipment running higher-sulfur fuels. Its low-ash, reduced-SAPS formulation keeps emissions systems clean and functioning efficiently.

Key Features:

• Maximizes component life and extends oil drain intervals
• Excellent high-temperature breakdown resistance and low-temperature cold-start pumpability
• Outstanding soot dispersancy prevents varnish and sludge buildup
• Provides a superior piston ring-to-cylinder wall seal, reducing blow-by and exhaust emissions
• Natural solvency cleans deposits left by conventional oils
• Will not harm engine seals — compatible with mineral and synthetic motor oils
• Components are TSCA listed and meet EPA, RCRA, and OSHA requirements

Industry Approvals & Certifications (SAE 15W-40):

• 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

Sold as a 320-gallon bulk tote, this format is designed for commercial fleets, agricultural operations, and industrial users who demand consistent, high-volume supply of a trusted synthetic diesel engine oil.