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Engine oil technical data · 77 Lubricants

77 LUBRICANTS MOTOR OIL SL 10W-40

77 LUBRICANTS MOTOR OIL SL 10W-40 is a 10W-40 engine oil (ACEA A3/B3 · API SN). According to the manufacturer's data sheet it has a viscosity of 88.2 mm²/s at 40 °C, 13.9 mm²/s at 100 °C, a viscosity index of 161, a TBN of 9.5 mg KOH/g, a pour point of −36 °C and sulphated ash of 1.1 %.

Data sheet ↗ Data verified: 3 Nov 2026

Parameters from the data sheet

ParameterValueClass median 10W-40
Viscosity 40 °C88.2 mm²/s96.8 mm²/s
Viscosity 100 °C13.9 mm²/s14.3 mm²/s
Viscosity index161 154
TBN9.5 mg KOH/g9.5 mg KOH/g
CCS −25 °C4510 mPa·s6460 mPa·s
Pour point−36 °C−36 °C
Flash point201 °CThe manufacturer gives only a limit, "more than 201", not a measured value.226 °C
Density0.855 g/cm³0.869 g/cm³
HTHS 150 °Cnot stated
Sulphated ash1.1 %1.3 %

All 10W-40 oils → See the class table for a detailed comparison with other oils.

Specifications and approvals

Specification
ACEA A3/B3 · API SN
Approvals and recommendations
MB 229.1; VW 501.01/505.00

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