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ExxonMobil rolls out new lineup of PC-11 compliant engine oils



SPRING, Texas – ExxonMobil revealed recently its new lineup of enhanced Mobil Delvac diesel engine oils that are designed to meet or exceed the CK-4 and FA-4 categories of API Proposed Category 11 (PC-11) specification.

 The new lineup includes improved versions of current Mobil Delvac offerings, including Mobil Delvac 1300 Super and fully synthetic Mobil Delvac 1 ESP 5W-40. In addition, the new lineup features  low viscosity Mobil Delvac Extreme semi-synthetic oils.

ExxonMobil conducted more than 30 million miles of on-road testing for the oils with major commercial vehicle manufacturers, engine builders and fleets. Results show how the new CK-4 and FA-4 formulations deliver significant performance improvements over today’s comparable CJ-4 oils, including:

  •   80% improvement in high temperature viscosity control – which helps enhance equipment protection in extreme operating conditions;
  •  50% improvement in oxidation resistance – which helps reduce sludge formation and support engine performance even under extreme high and low temperature conditions; and,
  • 20% improvement in wear protection – which helps to enhance engine durability and protect critical engine components from harmful corrosion and scuffing,

“As these results indicate, fleets that have been testing our CK-4 and FA-4 formulations have consistently reported exceptional results,” said Michael Smith, commercial vehicle lubricants global brand manager, ExxonMobil Fuels and Lubricants.  “Because we started the advanced research and testing programs for our CK-4 and FA-4 formulations in 2011, ExxonMobil is well prepared to help fleets and owner-operators have an easy transition when the PC-11 lubricant specification goes into effect on Dec. 1.”