- Heavy-duty diesel
- Cars
SAE 15W-40
Universal multigrade oil for mixed diesel and gasoline fleets
ViscositySAE
Recommended for
Same grade SAE 15W-40 · Heavy-duty diesel
Same grade SAE 15W-40 · Cars
Same grade SAE 15W-40 · High-speed marine
Business customers only. We sell wholesale, invoiced to registered companies.
ACEA E2 oil sequence
ACEA's sequence for heavy-duty diesel engines without exhaust aftertreatment. No longer on ACEA's current list.
Diesel engine oil, API CG-4 performance level
Older API category for heavy-duty diesel engines, written for fuel below 0.5 % sulphur.
Petrol engine oil, API SL performance level
API's service category for spark-ignition engines. Current category.
MAN 271 — multigrade engine oil (obsolete)
MAN's old multigrade truck engine oil specification, the counterpart of MAN 270. Superseded by the M 3xxx series.
Derived from the vehicle makers' approvals this product meets. Check the specification your vehicle's manual requires.
| Property | Typical value | Method |
|---|---|---|
| Density at 15°Ckg/m³ | 877 | ASTM D 4052 |
| Viscosity at 100°Cmm²/s | 14.5 | ASTM D 445 |
| Viscosity at 40°Cmm²/s | 103 | ASTM D 445 |
| Viscosity index | 140 | ASTM D 2270 |
| Viscosity at -20°CmPa·s | 6800 | ASTM D 5293 |
| Pour point°C | -27 | ASTM D 5950 |
| Flash point COC°C | 220 | ASTM D 92 |
| B. N.mg KOH/g | 9.1 | ASTM D 2896 |

Eni i-Sigma universal 15W-40 is a multigrade oil for lubricating the diesel engines of trucks, buses, construction machinery, light commercial vehicles and passenger cars operating under severe conditions. It can also be used in gasoline engines, which makes it a good choice for mixed fleets.
Frontier I.G. offers a complete range of solutions across mobility as a whole. Leading lubricants, tyres and innovative technical solutions for automotive, industry and agriculture.