Patent ID: 9580666
Date: 2017-02-28
CPC Classifications: C10M,C10N

Claim:
1. A lubricating oil composition comprising: (a) a lubricating oil base oil the kinematic viscosity of which at 100° C. is in the range of from 1.4 to 6 mm (b) from 250 to 2000 ppm in terms of molybdenum of a molybdenum dialkyldithiocarbamate as expressed by the undermentioned Formula (1), wherein in Formula (1), R 1 to R 4 denote alkyl groups, and X 1 to X 4 denote oxygen atoms or sulphur atoms, (c) 20 to 500 ppm in terms of sulphur of tetrabenzyl thiuram disulphide as expressed by the undermentioned Formula (2) and (d) 0.05 to 3.0 mass % of an amine as expressed by the undermentioned Formula (3) Formula (4), or a mixture thereof, wherein in Formula (3), R 5 to R 7 denote, each independently, hydrogen or an “alkyl group, aryl group or alkylaryl group” having from 1 to 23 carbon atoms, and wherein in Formula (4), R 8 and R 9 denote, each independently, hydrogen or an “alkyl group, aryl group or alkylaryl group” having from 1 to 23 carbon atoms.