532 oils in 14 classes SK · EN · DE · Contact
Engine oil technical data · Castrol

Castrol EDGE 0W-40 A3/B4

Castrol EDGE 0W-40 A3/B4 is a 0W-40 engine oil (ACEA A3/B4 · API SP). According to the manufacturer's data sheet it has a viscosity of 76 mm²/s at 40 °C, 13.3 mm²/s at 100 °C, a viscosity index of 180, a pour point of −45 °C and sulphated ash of 1.2 %.

Data sheet ↗ Data verified: 3 Nov 2026

Parameters from the data sheet

ParameterValueClass median 0W-40
Viscosity 40 °C76 mm²/s75.41 mm²/s
Viscosity 100 °C13.3 mm²/s13.35 mm²/s
Viscosity index180 182
TBNnot stated
CCS −35 °C5980 mPa·s5900 mPa·s
Pour point−45 °C−48 °C
Flash point210 °CMeasured in a closed cup (PMCC), so lower than the COC values in the other rows.225.5 °C
Density0.844 g/cm³0.844 g/cm³
HTHS 150 °Cnot stated
Sulphated ash1.2 %1.1 %

All 0W-40 oils → See the class table for a detailed comparison with other oils.

Specifications and approvals

Specification
ACEA A3/B4 · API SP
Approvals and recommendations
BMW LL-01, MB 229.5, Porsche A40, RN0700/RN0710, VW 502 00/505 00; meets / recommended: Ford WSS-M2C937-A, MB 229.3

Similar oils

Oils in the 0W-40 class with the closest parameters and the same specification.