| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide lubricating oil composition showing good fuel economy and high wear inhibition performance which is favorably employable for lubricating a four cycle gasoline engine of motorcycles and a diesel engine mounted on motor cars equipped with an exhaust gas post-processing apparatus. <P>SOLUTION: The lubricating oil composition of SAE viscosity grade 0W20 comprises: base oil; and additive components comprising respective required amounts of a nitrogen-containing ashless dispersant, an alkaline earth metal-containing detergent, a phosphorus-containing wear inhibitor, an oxidation inhibitor and a viscosity index improver. The lubricating oil composition shows a viscosity index of 200-240, a high-shear viscosity of ≥2.9 mPa s at 150°C. <P>COPYRIGHT: (C)2012,JPO&INPIT |
