ZUSS ZD 15W-40 API CI-4 / SL Premium Mineral Diesel Engine Oil
Overview
ZUSS ZD 15W-40 API CI-4 / SL Premium Mineral Diesel Engine Oil is a high-performance heavy-duty engine oil formulated with selected mineral base oils and advanced additive technology. It provides excellent protection against wear, soot, oxidation, and deposits, making it suitable for both modern and older diesel engines, including those equipped with EGR systems.
Key Performance Features
- ✅ Wear & Corrosion Protection: Protects critical engine components.
- ✅ Strong Soot Control: Effective dispersancy for EGR-equipped engines.
- ✅ Thermal Stability: Resists oxidation under high temperatures.
- ✅ Engine Cleanliness: Reduces sludge and deposit formation.
- ✅ Hot Climate Performance: Suitable for severe operating conditions.
Applications
- Heavy-duty diesel engines (on-highway & off-highway).
- Trucks, buses, construction and agricultural equipment.
- Engines operating under high load and high temperature.
- Mixed fleet use where API SL gasoline specification is required.
Typical Properties
| SAE Viscosity Grade | 15W-40 |
|---|---|
| Density @ 15°C | 0.87 – 0.89 kg/L |
| Viscosity @ 40°C | 100 – 120 cSt |
| Viscosity @ 100°C | 13.5 – 15.5 cSt |
| Viscosity Index | ≥125 |
| Flash Point | ≥220°C |
| Pour Point | ≤-25°C |
| Total Base Number (TBN) | 8 – 12 mg KOH/g |
API
API CI-4 / SL
Storage & Handling
Store in a cool, dry place away from heat and direct sunlight. Keep containers tightly closed.
Health & Safety
Refer to the Safety Data Sheet (SDS) for proper handling, storage, and disposal information.
Suitable for commercial & industrial diesel applications