Patent ID: 8703669

Claim:
A clutch-only transmission fluid comprising: a) an oil of lubricating viscosity formulated with additive components comprising: i) up to about 1 wt % of at least one overbased metal sulfonate detergent; ii) from about 0.01 to about 5 wt % of at least one dioleylphosphite wear preventative; iii) from about 1 to about 6 wt % of a phosphorylated and boronated succinimide dispersant; iv) from about 0.01 to about 10 wt % of a thiadiazole extreme pressure agent; b) a ratio between the content (ppm) of the sulfur based on the total weight of the fluid composition and a content (ppm) of phosphorus based on the total weight of the fluid composition ranging from about 2.0 to about 0.5 (ppm/ppm); and c) a ratio between the content (ppm) of the sulfur based on the total weight of the fluid composition and a content (ppm) of calcium based on the total weight of the fluid composition ranging from about 10.0 to about 0.5 (ppm/ppm).