GENCORE 15W-40 CK-4 Heavy Duty Diesel Engine Oil

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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