VISOL 15W40 is premium commercial multipurpose diesel engine oil. The oil is designed for the most severe performance requirements of new generation diesel engines for on and off highway operations. It assures outstanding protection against high temperature engine deposits, oil degradation, and oil thickening and corrosion resistance. The oil is having excellent shear stability to maintain viscosity under severe, high temperature operations. It exhibits outstanding control on soot induced thickening and soot induced wear.