Eni i-Sigma top 10W-40

EniEni i-Sigma top linecommercial vehicles10W-40

A synthetic 10W-40 oil for turbocharged lorry diesels, rated ACEA E4, E7 and API CI-4, with MAN M 3277, Volvo VDS-3 and Mack EO-N approvals.

Classification
Product line Eni i-Sigma top 3 oils
SAE viscosity 10W-40What SAE means
Base oil synthetic
Intended use commercial vehicles
API class What API means
ACEA class What ACEA means
Approvals
Manufacturer approvals What an approval means
Meets the requirements of
Typical properties
Viscosity at 40 °C 98 mm²/s
Viscosity at 100 °C 14.7 mm²/s
Viscosity index 156
CCS viscosity at -25 °C 6124 mPa·s
Pour point -42 °C
Flash point 226 °C
Base number (TBN) 12.5 mg KOH/g
Density 868 kg/m³

The car maker has not officially approved the entries in the “Meets the requirements of” row.

Description

Eni i-Sigma top 10W-40 is a synthetic engine oil from the i-Sigma top line for turbocharged lorry diesels in severe service. The formulation is designed to save fuel and to reach the longest drain intervals the engine maker allows.

The oil is rated ACEA E4 and E7 and API CI-4. It holds official approvals from Deutz DQC III-18, Mack EO-N, MAN M 3277, MTU Oil Category 3, Renault Trucks RLD-2 and Volvo VDS-3, and meets the requirements of Cummins CES 20078 and DTFR 15B120 without formal approval.

Typical figures: kinematic viscosity 14.7 mm²/s at 100 °C, viscosity index 156, base number 12.5 mg KOH/g, pour point -42 °C.

Application

Turbocharged lorry diesel engines in severe service where the maker allows its longest drain intervals.

Worth knowing

The DTFR 15B120 code appears in the Eni data sheet without the “Approved” mark carried by MAN M 3277, Volvo VDS-3 and four more codes. For Mercedes-Benz lorries this matters: DTFR 15B120 is the new name of MB 228.5, the specification for normal-ash oil with an extended interval. According to the article on choosing oil for a lorry or bus, such an interval assumes an oil genuinely approved to that code, and the oil maker’s own claim does not guarantee it.

This oil has only the full-ash classes ACEA E4 and E7, and the letter B in the DTFR number means an oil for engines without a particulate filter. The low-ash classes ACEA E6, E8, E9 and E11 in the same 10W-40 viscosity are found in Eni i-Sigma top MS 10W-40, together with API CK-4 and approvals from Volvo VDS-4.5, MAN M 3775, Deutz DQC IV-18 LA and MTU Oil Category 3.1. The Daimler Truck codes there are also only claimed, DTFR 15C110 and DTFR 15C120, and the base number of the MS is 9.1 mg KOH/g against 12.5 for this oil.

Data current as of Check the label and the current product data sheet before you buy.

Sources

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