Patent ID: 8163681
Filing Date: 2012-04-24
Classification: C10M,C10N

Abstract:
1. A lubricant composition comprising: (a) at least one synthetic oil of lubricating viscosity; (b) about 3 to about 6 percent by weight of at least one nitrogen-containing dispersant; (c) about 1 to about 2.5 weight percent of at least one overbased magnesium sulfonate detergent; (d) 1.5 to about 7 weight percent of at least one antioxidant; and (e) about 0.1 to about 2.5 weight percent of at least one friction modifier selected from the group consisting of fatty esters, fatty amides, amines, sulfur-containing compounds, and borate esters and mixtures thereof; said composition containing less than about 0.01 weight percent Ca, less than about 0.01 weight percent Zn, about 0.01 to about 0.10 weight percent P, and having a sulfated ash level (ASTM D874) of less than 1.2%.