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ExxonMobil Unveils PC-11 Specification Lineup of Mobil Delvac Oils

September 20, 2016

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Image via ExxonMobil
Image via ExxonMobil

ExxonMobil unveiled its 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, known as 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, as well as new additions to the Mobil Delvac family, such as low viscosity Mobil Delvac Extreme semi-synthetic oils.

Results from more than 30 million miles of on-road testing, conducted with major commercial vehicle manufacturers, engine builders and fleets, show how ExxonMobil’s new CK-4 and FA-4 formulations can 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
  • 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.”

CK-4 oils will serve as direct replacements for today’s CJ-4 oils and be backwards compatible with nearly all current diesel engine types. ExxonMobil will offer a range of lubricants that meet or exceed the requirements of the CK-4 category, including synthetic Mobil Delvac 1 ESP 5W-40, Mobil Delvac Extreme - premium synthetic blend, and Mobil Delvac 1300 Super.

Available in a range of viscosity grades, these Mobil Delvac CK-4 oils will have improved oxidation resistance, shear stability and aeration control as compared to today’s CJ-4 oils.

FA-4 oils will also deliver similar performance benefits exceeding today’s CJ-4 oils, as well as potential enhanced fuel economy benefits.  While FA-4 oils will deliver enhanced fuel economy potential, they will not have the wide-ranging backwards compatibility that CK-4 oils will. 

ExxonMobil’s FA-4 products, which will include Mobil Delvac Extreme FE premium synthetic blend and Mobil Delvac Super FE, are designed to improve wear protection while delivering enhanced fuel economy potential.

For more information, click here

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