Engine oil technical data · Castrol
Castrol Vecton 15W-40 CK-4
Castrol Vecton 15W-40 CK-4 is a 15W-40 engine oil (API CK-4). According to the manufacturer's data sheet it has a viscosity of 116 mm²/s at 40 °C, 15.5 mm²/s at 100 °C, a viscosity index of 140, a TBN of 10 mg KOH/g, a pour point of −33 °C and sulphated ash of 0.99 %.
Data sheet ↗ Data verified: 10 Nov 2026
Parameters from the data sheet
| Parameter | Value | Class median 15W-40 i |
|---|---|---|
| Viscosity 40 °C | 116 mm²/s | 107.2 mm²/s |
| Viscosity 100 °C | 15.5 mm²/s | 14.6 mm²/s |
| Viscosity index | 140 | 138 |
| TBN | 10 mg KOH/g | 10 mg KOH/g |
| CCS −20 °C | not stated | |
| Pour point | −33 °C | −35 °C |
| Flash point | not stated | |
| Density | not stated | |
| HTHS 150 °C | not stated | |
| Sulphated ash | 0.99 % | 1 % |
All 15W-40 oils → See the class table for a detailed comparison with other oils.
Specifications and approvals
- Specification
- API CK-4
- Oils by specification
Similar oils
Oils in the 15W-40 class with the closest parameters and the same specification.
- Petronas Urania 3000 LS 15W-40ACEA E7, E9 · API CK-4
- Ravenol Super Low Emission Truck 15W-40ACEA E11, E7, E9 · API CK-4
- Shell Rimula R4 L 15W-40ACEA E9, E7 · API CK-4, CJ-4, CI-4
- Lukoil Avantgarde Professional LA 15W-40ACEA E9, E7 · API CK-4
- Repsol Giant 7630 LS 15W-40ACEA E7, E9, E11 · API CK-4, CJ-4, CI-4
- Shell Rimula R4 X 15W-40ACEA E7, E5, E3 · API CI-4, CH-4