Shell alexia 50\ncylinder lubricant for low-speed crosshead diesel engines\nshell alexia 50 is a premium quality cylinder lubricant designed for use in all low speed crosshead diesel engines which burn residual fuel with sulphur content up to 4.0% weight.\nit is particularly suitable for the new generation of highly rated, fuel efficient, low speed marine diesel engines operating with higher pressures, higher temperatures and longer strokes.\nshell alexia 50 is blended from high viscosity index base oils and additive.