Engine oil technical data · Castrol
Castrol Magnatec Diesel 5W-40 DPF
Castrol Magnatec Diesel 5W-40 DPF is a 5W-40 C3 engine oil (ACEA C3 · API SN/CF). According to the manufacturer's data sheet it has a viscosity of 82 mm²/s at 40 °C, 13.9 mm²/s at 100 °C, a viscosity index of 174, a pour point of −48 °C and sulphated ash of 0.8 %.
Data sheet ↗ Data verified: 4 Nov 2026
Parameters from the data sheet
| Parameter | Value | Class median 5W-40 C3 |
|---|---|---|
| Viscosity 40 °C | 82 mm²/s | 85.25 mm²/s |
| Viscosity 100 °C | 13.9 mm²/s | 14.05 mm²/s |
| Viscosity index | 174 | 171 |
| TBN | not stated | |
| CCS −30 °C | 5550 mPa·s | 6077 mPa·s |
| Pour point | −48 °C | −42 °C |
| Flash point | 210 °CMeasured in a closed cup (PMCC), so lower than the COC values in the other rows. | 225 °C |
| Density | 0.848 g/cm³ | 0.85 g/cm³ |
| HTHS 150 °C | not stated | |
| Sulphated ash | 0.8 % | 0.8 % |
All 5W-40 C3 oils → See the class table for a detailed comparison with other oils.
Specifications and approvals
- Specification
- ACEA C3 · API SN/CF
- Approvals and recommendations
- Fiat 9.55535-S2, Ford WSS-M2C917-A, GM dexos2, MB 229.31, VW 505 00/505 01
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