Product Description
15W-40 API CF-4 engine oil is a high-performance, heavy-duty lubricant designed for diesel engines operating in demanding conditions. Here are its key specifications:
- Viscosity Grade: SAE 15W-40
- Kinematic Viscosity: ~105 mm²/s at 40°C, ~13.7-14.4 mm²/s at 100°C
- Viscosity Index: ~130-140
- Flash Point: ~220-230°C
- Pour Point: ~-30 to -42.5°C
- Total Base Number (TBN): ~7.7-8 mgKOH/g
- Sulfated Ash Content: ~1.1%
- Foaming Control: Excellent anti-foam properties
- Approvals & Standards: API CF-4, MIL-L-2104E, CCMC D4/PD2/G4
This oil provides thermal stability, wear protection, and engine cleanliness, making it ideal for turbocharged and naturally aspirated diesel engines.
15W-40 API CF-4 engine oil offers several benefits, making it a great choice for heavy-duty diesel engines:
Benefit of this product
- Enhanced Engine Protection: Reduces wear and extends engine life.
- Thermal & Oxidation Stability: Prevents sludge buildup and deposits.
- Improved Cleanliness: Keeps the engine free from harmful contaminants.
- Extended Oil Drain Intervals: Some formulations allow for longer oil change intervals.
- Excellent Shear Stability: Maintains viscosity under high-stress conditions.
- Rust & Corrosion Resistance: Protects engine components from damage.

