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Petromin Fleet Master Plus SAE 15W-40 is an API CI-4/SL certified diesel engine oil for heavy-duty applications. A 10.7 TBN rating neutralizes acids during combustion to protect internal components. High-temperature stability remains consistent under engine stress.
Key Features
- Acid Neutralization: 10.7 mg KOH/g TBN retention. Prevents corrosive wear on engine bearings and liners.
- Flow Stability: 140 viscosity index rating. Maintains oil film thickness despite road dust and high heat.
- Thermal Resistance: 232°C flash point. Prevents oil evaporation during long-haul operation.
- Cold Start Protection: -30°C pour point limit. Liquid flow starts instantly in cold morning conditions.
- Multi-Vehicle Support: API CI-4/SL certification. Works across mixed fleets of diesel and gasoline engines.
Frequently Asked Questions
Is Petromin 15W40 good for diesel engines?
This oil meets API CI-4 standards for turbocharged heavy-duty diesel engines. High soot handling prevents sludge formation in the crankcase.
What does the 15.1 cSt viscosity at 100°C mean?
This measurement indicates the oil thickness at full operating temperature. It maintains a stable lubrication barrier for moving metal parts.
