Description
- Eni i-Sigma Super Fleet 15W-40 is a multigrade, synthetic-technology / high-performance engine oil designed for heavy-duty diesel engines — such as those in trucks, buses, commercial vehicles, construction equipment — but also suitable for petrol/gasoline engines in mixed fleets.
- It belongs to Eni’s “i-Sigma” line and is formulated to deliver robust protection and long oil-drain intervals under severe operating conditions (heavy load, prolonged operation, mixed-use, etc.)
- SAE Viscosity Grade: 15W-40.
- Performance / Service Standards: API: CI-4 / CF / S
- ACEA: E7 (suitable for heavy-duty diesel) and A3/B3, A3/B4 (for mixed fleet compatibility



