Eni i-Sigma monograde 10W-20
A 10W-20 engine oil rated API CF and API SJ for diesel engines in light-duty service, meeting the requirements of Allison C-3.
| Classification | |
|---|---|
| Product line | Eni i-Sigma monograde 8 oils |
| SAE viscosity | 10W-20What SAE means |
| Intended use | commercial vehicles |
| API class | What API means |
| Approvals | |
| Meets the requirements of |
|
| Typical properties | |
| Viscosity at 100 °C | 7.9 mm²/s |
| Viscosity index | 115 |
| CCS viscosity at -25 °C | 6800 mPa·s |
| Pour point | -21 °C |
| Flash point | 220 °C |
| Density | 885 kg/m³ |
The car maker has not officially approved the entries in the “Meets the requirements of” row.
Description
Eni i-Sigma monograde 10W-20 is an engine oil for naturally aspirated and turbocharged diesel engines in light-duty service. The maker places it in the i-Sigma monograde line, although its 10W-20 viscosity grade makes it a multigrade.
The oil is rated API CF and API SJ and also meets the military specifications MIL-L-2104D and MIL-L-46152C. It holds no official approvals; the maker states that it meets the requirements of Allison C-3.
Typical figures: kinematic viscosity 7.9 mm²/s at 100 °C, viscosity index 115, pour point -21 °C, flash point 220 °C, density 885 kg/m³.
Application
Naturally aspirated and turbocharged diesel engines in light-duty service.
Worth knowing
The set of codes here is the same as in Eni i-Sigma monograde SAE 30: API CF and SJ, Allison C-3, MIL-L-2104D and MIL-L-46152C, and Eni intends both oils for diesels in light-duty service. On specifications they are indistinguishable; what differs is viscosity: 7.9 mm²/s at 100 °C against 10.9 mm²/s. In addition, for the 10W-20 the data sheet gives a cold-cranking figure, 6,800 mPa·s at -25 °C, whereas for grade 30, without the letter W, the SAE J300 standard sets no cold limits.
In the data sheet, Allison C-3 and both military numbers appear in the list of specifications without any approval number, and the catalogue records them with the status “meets”: that is Eni’s word, not confirmation from Allison or from the owner of the MIL standard. The article “Approved, meets, recommended” explains how to tell such an entry from an approval and where to look for confirmation.
Data current as of Check the label and the current product data sheet before you buy.
Sources: official sources of the data on this oil
- Technical data sheet (TDS) oilproducts.eni.com
- Product page on the manufacturer’s site oilproducts.eni.com
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