Frankol 0W40 CK-4/SN is a low SAPS heavy duty engine oil that helps extend engine life in the most severe on and off highway applications while delivering outstanding performance in modern high output low-emission engines fitted with EGR, DPF, DOC and SCR – Adblue NOx reduction systems. The exceptional low temperature fluidity and pumpability in combination with the sophisticated additive system ensures maximum engine wear performance and supports longer.