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CRANKCASE LUBRICATING OIL COMPOSITION FOR PROTECTION OF SILVER BEARINGS IN LOCOMOTIVE DIESEL ENGINES
CRANKCASE LUBRICATING OIL COMPOSITION FOR PROTECTION OF SILVER BEARINGS IN LOCOMOTIVE DIESEL ENGINES
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机译:用于保护机车柴油机中银轴承的曲轴箱润滑油组合物
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摘要
The present invention is directed to a crankcase lubricating oil composition for protection of silver bearings in locomotive diesel engines comprising (A) a major amount of an oil of lubricating viscosity, and (8) a silver wear protection additive composition, and (C) one or more detergents. The silver wear protection additive composition of the present invention comprises a mixture of (i) a hydrocarbylamine salt of a di-alkyl di-thiophosphoric acid and (ii) a hydrocarbylamine salt of an alkyl acid phosphate.
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