GENCORE 15W-40 CK-4 Heavy Duty Diesel Engine Oil
GENCORE 15W-40 CK-4 is a premium heavy-duty diesel engine oil formulated with Powderful Solutions’ proprietary WS₂/MoS₂/hBN composite additive technology. Engineered for commercial trucks, construction equipment, and agricultural machinery operating under severe duty conditions.
API Service Classification: CK-4 / SN
Viscosity Grade: SAE 15W-40
Technology: Powered by Powderful™ WS₂/MoS₂/hBN Composite
Key Benefits
- 3–5% documented fuel savings vs conventional 15W-40
- Extended oil drain intervals up to 50% longer
- Superior cold-start protection to -25°C
- Meets Mack, Volvo, Cummins, Detroit, Caterpillar requirements
- Shear-stable VI improvers for consistent viscosity