Description
Castrol VECTON 10W-30 FA-4 diesel engine oil with SYSTEM PRO TECHNOLOGY™, designed for fuel economy in the latest heavy-duty diesel engines.
- Viscosity: SAE 10W-30
- Intended for engines approved for API FA-4 oils
- Performance levels (per Castrol Canada): API FA-4; Cummins CES 20087; DDC DFS 93K223
- Fuel economy: up to 1.5% in independent testing by Castrol, compared with an SAE 15W-40 CJ-4 oil
FA-4 oil is not suitable for every engine: use it only if your engine manufacturer allows it.
Official source: Castrol Canada.