- Heavy-duty diesel
SAE 10W-40
Synthetic oil for diesel engines with exhaust aftertreatment systems
ViscositySAE
Recommended for
Same grade SAE 10W-40 · Heavy-duty diesel
Same grade SAE 10W-40 · Cars
Same grade SAE 10W-40 · 4T motorcycles
Same grade SAE 10W-40 · High-speed marine
Business customers only. We sell wholesale, invoiced to registered companies.
Official approval
Mack EO-N — truck engine oil (superseded)
Mack engine oil specification preceding EO-N+ and EO-O Premium Plus.
Official approval
Renault Trucks RLD-2 — heavy-duty diesel engine oil
Renault Trucks specification for extended-drain truck engine oils at ACEA E7 level, without a low-ash requirement.
Official approval
Volvo engine oil specification for Euro III–V trucks without a particulate filter, with severe soot control for EGR engines.
Official approval
Mercedes-Benz low-SAPS truck diesel engine oil, Euro VI
Low-SAPS Mercedes-Benz approval for high-performance diesel engines with aftertreatment (Euro VI), with severe piston-cleanliness requirements. Daimler Truck equivalent: DTFR 15C110.
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 | 866 | ASTM D 4052 |
| Viscosity at 100°Cmm²/s | 14.4 | ASTM D 445 |
| Viscosity at 40°Cmm²/s | 98 | ASTM D 445 |
| Viscosity index | 150 | ASTM D 2270 |
| Viscosity at -25°CmPa·s | 6500 | ASTM D 5293 |
| Pour point°C | -42 | ASTM D 5950 |
| Flash point COC°C | 240 | ASTM D 92 |
| B. N.mg KOH/g | 10.6 | ASTM D 2896 |

Eni i-Sigma special TMS 10W-40 is a synthetic technology oil for diesel engines fitted with exhaust aftertreatment systems, delivering reduced fuel consumption. The product achieves the longest oil drain intervals prescribed by the engine makers. eni i-Sigma special TMS 10W-40 can also be used in other diesel engines, such as stationary ones, and in the gas engines of heavy vehicles.
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