LUBRICATION OIL COMPOSITION

摘要

A lubricating oil composition comprising (A) a base oil containing 3 % by weight or less of aromatics, 20 % by weight or more of monocyclic naphthenes, 50 ppm by weight or less of N and 50 ppm by weight or less of S, having a viscosity (100 DEG C) of 2 to 50 mm<2>/s, (B) alkyldiphenylamines and/or phenyl- alpha -naphthylamines in an amount of 0.05 to 2 % by weight of the total weight of the composition, and (C) C8-23 MoDTC and/or C8-18 MoDTP and/or C8-18 MoDTX in such an amount that the amount of Mo is 50 to 2000 ppm by weight of the total weight of the composition.