Eni I-Sigma performance E4


Eni I-Sigma performance E4 is a performance multigrade oil for Heavy Duty Diesel engines

eni i-Sigma performance E4 10W-40 is a top performance multigrade oil with synthetic technology suitable for Heavy Duty Diesel engines operating under severe duty. It permits long oil-drain intervals and fuel economy.

Properties and performance:

  • eni i-Sigma performance E4 10W-40 showed outstanding results when submitted to the engine tests included in the relevant performance specifications. All the metal parts of the engine are protected from deposit build-up and wear is reduced, ensuring maximum engine efficiency throughout its life.
  • The fuel saving properties allow a reduction in fuel consumption compared to traditional Diesel lubricants.
  • The SAE 10W-40 grade allows the usage under a wide range of ambient temperature. The product stays fluid and facilitates the engine start-up at low ambient temperatures while keeping its high viscosity at high temperatures.


eni i-Sigma performance E4 10W-40 is officially approved or meets the requirements of the following service specifications:

  • ACEA E4
  • MB Approval 228.5
  • MAN M 3277
  • MAN M 3377
  • MTU Type 3


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