Engine oil technical data · Castrol
Castrol Power1 4T 10W-40
Castrol Power1 4T 10W-40 is a 10W-40 engine oil (JASO MA2 · API SN). According to the manufacturer's data sheet it has a viscosity of 86.3 mm²/s at 40 °C, 13.4 mm²/s at 100 °C, a viscosity index of 158 and a pour point of −39 °C.
Data sheet ↗ Data verified: 8 Nov 2026
Parameters from the data sheet
| Parameter | Value | Class median 10W-40 i |
|---|---|---|
| Viscosity 40 °C | 86.3 mm²/s | 93.655 mm²/s |
| Viscosity 100 °C | 13.4 mm²/s | 14.2 mm²/s |
| Viscosity index | 158 | 157 |
| TBN | not stated | |
| CCS −25 °C | not stated | |
| Pour point | −39 °C | −37 °C |
| Flash point | 205 °CMeasured in a closed cup (PMCC), so lower than the COC values in the other rows. | 231 °C |
| Density | 0.864 g/cm³ | 0.86 g/cm³ |
| HTHS 150 °C | not stated | |
| Sulphated ash | not stated |
All 10W-40 oils → See the class table for a detailed comparison with other oils.
Specifications and approvals
Similar oils
Oils in the 10W-40 class with the closest parameters and the same specification.
- Mobil 1 Racing 4T 10W-40JASO MA, MA2 · API SN, SM, SL, SJ
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- Repsol Moto Off Road 4T 10W-40JASO MA, MA2 · API SN
- Shell Advance 4T Ultra 10W-40JASO MA2 · API SN
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