Patent ID: 9150812
Filing Date: 2015-10-06
Classification: C10M,C10N

Abstract:
1. A lubricating composition comprising in admixture: at from 60 wt % to 75 wt % of a base oil component comprised of alkylated napthalene, from 27.79 wt % to 37.42 wt % of a base oil of API Group IV comprising PAO, based on the total weight of the admixed components that are used to produce the lubricating composition, and an additive combination comprised of 0.67 to 1.5 wt. % of alkylated diarylamine, and a sulfur-containing metal passivator selected from 0.16 to 0.33 wt. % of dialkyl dithiocarbamate, about 0.16 wt. % of dialkyl dimercaptobenzothiadiazole and a combination of about 0.33 wt. % of dialkyl dithiocarbamate and about 0.06 wt. % of dialkyl dimercaptobenzothiadiazole, wherein additional base oil other than alkylated naphthalene and Group IV is additive diluent oil, wherein the ISO viscosity grade (VG) of the lubricating composition ranges from 68 to 460.