Diesel Gard 10W-30 CI-4/SL
A shear stable, high-quality semi-synthetic engine oil designed for use in high-output, high-speed diesel engines. Why choose this oil
- API CI-4/SL
- Caterpillar ECF-2
- Cummins CES 20078
- Cummins CES 20076
- Mack EO-M Plus
- JASO DH-1
Why choose Diesel Gard 10W-30 CI-4/SL
Duckhams Diesel Gard is a range of top tier multi-grade diesel engine oils for heavy-duty diesel engines. Formulated using modern additive technology and high-quality virgin base oils to meet current specifications and provide advanced protection for all vehicles operating under severe conditions. Duckhams Diesel Gard 10W-30 CI-4/SL is a shear stable, high-quality semi-synthetic engine oil designed for use in high-output, high-speed diesel engines, including turbocharged engines and engines using exhaust gas recirculation. Designed to operate under severe conditions, such as extended drain intervals, it provides excellent protection against wear and corrosion and maintains engine cleanliness. Not suitable for use in engines fitted with particulate filters.
- Excellent protection against wear and bore polishing protects the engine and maintains the engine condition throughout the oil drain interval.
- Shear stable formulation maintains oil viscosity, making it suitable for extended drain intervals.
- Protects the engine from soot and piston deposits, maintaining engine cleanliness and performance.
- Good base reserve neutralises acidic combustion products, reducing acid build-up and protecting the engine against corrosion.
- Protects against turbocharger deposit formation, maintaining turbocharger performance and extending component life.
- Not suitable for use in engines fitted with particulate filters.
Typical physical characteristics
| Property | Unit | Typical Value |
|---|---|---|
| SAE Viscosity Grade | 10W-30 | |
| Viscosity @ 100 °C | cSt | 12.12 |
| Viscosity @ 40 °C | cSt | 80.81 |
| Viscosity Index | 145 | |
| CCS @ -20 °C | cP | 5,842 |
| Flash Point (Closed Cup) | °C | 208 |
| Pour Point | °C | -36 |
| Total Base Number | mgKOH/g | 11.3 |
| Density @ 15 °C | kg/L | 0.8675 |
Typical physical characteristics are provided as an indication of properties based on current production data only, and should not be interpreted as a specification.



