| abstract |
A lubricant composition comprising a base oil of viscosity from 3 to 26 cSt (mm2/s) at 100 °C and an antiwear combination comprising: (a) an oil soluble or oil dispersible, nitrogen and phosphorus free organo-molybdenum compound or mixture of compounds, e.g. a xanthate or carboxylate, and (b) a zinc thiophosphate compound or mixture of compounds selected from zinc dialkyldithiophosphate, zinc diaryldithiophosphate, zinc alkylaryldithiophosphate and zinc arylalkyldithiophosphate. |