| 摘要 |
PROBLEM TO BE SOLVED: To provide a lubricating oil composition exhibiting excellent calking-preventive properties, particularly a lubricating oil composition suitable as a lubricating oil for internal combustion engines such as a diesel engine and the like. SOLUTION: The lubricating oil composition has a 400°C distillation amount of 5-30% by the gas chromatographic distillation, a 30% point of 400-440°C and an NOACK evaporation amount of at most 20 mass%. COPYRIGHT: (C)2009,JPO&INPIT |
