Eni I-Sigma universal DL 15W-40


Eni I-Sigma universal DL 15W-40 Is a multi-range engine oil for diesel engines

eni i-Sigma universal DL 15W-40 is a multigrade oil suitable for the lubrication of all kinds of diesel engines including models installed in cars, trucks, buses, earthmoving and pit-andquarry equipment, as well as fixed plant such as generating sets, etc.

Properties and Performance:

  • The multigrade characteristics of eni i-Sigma universal DL 15W-40 make it perfectly suitable for all types of diesel engines operating under a wide range of temperature conditions. Seasonal oil changes are thus avoided and trucks can travel from one geographical and climatic zone to another. There are no cold starting problems with eni iSigma universal DL 15W-40 despite its high “hot” viscosity.
  • The detergent-dispersant properties of eni i-Sigma universal DL 15W-40, together with its high capacity to neutralize combustion acids, place this product at high quality level. It keeps pistons clean and maintains solid products of combustion in suspension until the next oil change, thereby preventing the formation of dangerous deposits in the sump.
  • These properties are ensured by a special combination of low-ash additives, fully meeting the standards issued by all manufacturers of four-stroke diesel engines.
  • It possesses very good antioxidant properties which prevent deterioration that could alter the viscosity of the oil. Its superior antirust properties ensure effective protection of all parts of the engine. Its anti-wear properties remain fully effective throughout the period of service thus keeping the engine in the best possible condition.


eni i-Sigma universal DL 15W-40 is officially approved or meets the requirements of the following services and specifications:

  • API CF-4/SG Allison C-4
  • ACEA E2, B2 U.S. Department of the Army MIL-L-2104E
  • Mercedes Benz 228.1 U.S. Department of the Army MIL-L-46152C
  • MAN 271
  • VW 505.00 (01/97)


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