Engine oil technical data · Gulf
Gulf TEC Plus 10W-40
Gulf TEC Plus 10W-40 is a 10W-40 engine oil (ACEA A3/B4 · API SL/CF). According to the manufacturer's data sheet it has a viscosity of 97 mm²/s at 40 °C, 14.5 mm²/s at 100 °C, a viscosity index of 152, a TBN of 8 mg KOH/g and sulphated ash of 1.01 %.
Data sheet ↗ Data verified: 3 Nov 2026
Parameters from the data sheet
| Parameter | Value | Class median 10W-40 |
|---|---|---|
| Viscosity 40 °C | 97 mm²/s | 96.8 mm²/s |
| Viscosity 100 °C | 14.5 mm²/s | 14.3 mm²/s |
| Viscosity index | 152 | 154 |
| TBN | 8 mg KOH/g | 9.5 mg KOH/g |
| CCS −25 °C | not stated | |
| Pour point | −33 °CThe manufacturer gives only a limit, "less than −33", not a measured value. | −36 °C |
| Flash point | 234 °C | 226 °C |
| Density | 0.873 g/cm³ | 0.869 g/cm³ |
| HTHS 150 °C | not stated | |
| Sulphated ash | 1.01 % | 1.3 % |
All 10W-40 oils → See the class table for a detailed comparison with other oils.
Specifications and approvals
- Specification
- ACEA A3/B4 · API SL/CF
- Approvals and recommendations
- MB 229.1; VW 501 01/505 00
Similar oils
Oils in the 10W-40 class with the closest parameters and the same specification.
- Havoline Extra SAE 10W-40ACEA A3/B4, A3/B3 · API SN/CF
- ELF Sporti TXI 10W-40ACEA A3/B4 · API SL/CF
- Castrol MAGNATEC DIESEL 10W-40 B4ACEA A3/B4 · API SP
- Castrol Magnatec 10W-40ACEA A3/B4 · API SP
- Mannol classic 10W-40ACEA A3/B4 · API SN/CH-4
- MOL Dynamic Max 10W-40ACEA A3/B4, A3/B3 · API SN, SL/CF