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THE ON-ROAD SYNTHETIC NATURAL-GAS ENGINE OIL THAT ENABLES “EXTREME” EXTENDED-DRAIN INTERVALS UP TO 1,200 HOURS.

Castrol® Duratec™ ES 15W-40 enables “extreme” extended-drain intervals while maintaining outstanding protection. Castrol® Duratec™ ES 15W-40 delivers an advanced detergent/dispersant system that has been designed to reduce deposit formation and improve oxidation control while offering excellent corrosion protection, TBN retention, and outstanding wear control. Castrol® Duratec™ ES 15W-40 is designed for use in a wide range of natural-gas equipment, including Cummins, Mack, Volvo, Detroit Diesel, Navistar and other on-road engines requiring a low-ash natural-gas engine oil.

Product Benefits:

  • Exceptional nitration and oxidation control, compared to other mineral on-road natural-gas engine oils
  • Excellent TBN retention for exceptional acid neutralization
  • Outstanding anti-wear protection
  • Reduces deposits and maintains engine cleanliness


Product Data Sheet

Material Safety Data Sheet

grades

15W40