ZUSS ZD 15W-40 API CK-4 / SN Semi Synthetic Diesel Engine Oil
Overview
ZUSS ZD 15W-40 API CK-4 / SN Semi Synthetic Diesel Engine Oil is a high-performance semi synthetic engine oil designed for modern diesel engines and compatible gasoline engines. It offers excellent wear protection, thermal stability, and compatibility with emission control systems, making it suitable for mixed fleet operations.
Key Performance Features
- ✅ Advanced Wear Protection: Protects diesel and gasoline engines.
- ✅ Thermal & Oxidation Stability: Supports long service life.
- ✅ Deposit Control: Reduces sludge and piston deposits.
- ✅ Emission System Compatibility: Suitable for DPF & SCR systems.
- ✅ Cold Start Performance: Improved low-temperature fluidity.
Applications
- Heavy-duty diesel engines in trucks, buses, and construction equipment.
- Light-duty diesel vehicles including SUVs and light commercial vehicles.
- Gasoline engines requiring API SN.
- High-temperature and severe operating conditions.
Typical Properties
| SAE Viscosity Grade | 15W-40 |
|---|---|
| Density @ 15°C | 0.870 – 0.880 g/cm³ |
| Viscosity @ 40°C | 110 – 120 cSt |
| Viscosity @ 100°C | 14 – 16 cSt |
| Viscosity Index | 135 – 145 |
| Flash Point | ≥220°C |
| Pour Point | ≤-30°C |
| Total Base Number (TBN) | 10 – 12 mg KOH/g |
| Sulfated Ash | ≤1.0% |
API / ACEA
API CK-4 / SN, ACEA E9 / E7, ACEA A3/B4
Storage & Handling
Store in a cool, dry place. Keep containers tightly sealed to prevent contamination.
Health & Safety
Refer to the Safety Data Sheet (SDS) for health, safety, and environmental guidance.
Ideal for mixed fleet & modern diesel engines