Royal Purple 86540 Duralec Super SAE 5W-40 Synthetic Diesel Motor Oil - 6 Gallon

Royal Purple Duralec Super SAE 5W-40 is a high-performance synthetic diesel motor oil designed for diesel engines equipped with modern emissions control systems including DPFs (Diesel Particulate Filters), catalytic converters, EGR, and SCR injection systems running on ultra-low sulfur diesel fuels in North America and Europe.

Key Performance Benefits:

• Specifically formulated to maximize component life and extend drain intervals
• Excellent high-temperature breakdown resistance protects engine components under severe operating conditions
• Superior low-temperature pumpability minimizes cold-induced startup wear
• Improves fuel economy and reduces exhaust emissions
• Outstanding soot dispersancy and superior corrosion protection
• Natural solvency keeps engines clean and prevents deposit buildup

Specifications and Certifications:

Meets API Service CK-4, CJ-4, CI-4 Plus, and CI-4 warranty requirements for diesel engines. Also meets 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, and Volvo VDS-4.5 specifications.

This 6-gallon bag-in-box packaging is ideal for shops and fleet maintenance operations, providing convenient bulk dispensing with reduced waste. Compatible with conventional and synthetic motor oils—simply drain old oil, change filter, and add Royal Purple Duralec Super. Safe for engine seals and suitable for both modern emissions-compliant diesel engines and older off-highway engines.