| (57) A 10W transmission lubricant composition comprises a mixture of ingredients (A),
(B) and (C) wherein;
Ingredient (A) is a polyol ester represented by the formula;
wherein R,, R2 and R3 are the same or different and are -OCH2(CH2)xCH3 radicals where x is an integer from 6 to 10;
Ingredient (B) is a polyol ester represented by the formula;
wherein R4, R5 and R6 are the same or different and are iso-Cn hydrocarbon radicals, where n is an integer from 18 to 24; and
Ingredient (C) is a polyalphaolefin of from about 3 to about 6 centistoke viscosity;
wherein the weight ratio of ingredient (A) to ingredient (B) is from about 2:1 to
about 1:2, the weight ratio of the sum of ingredients (A) plus (B) to ingredient (C)
is from about 2.4:1 to about 1.5:1, and the sum of ingredient (A) plus ingredient
(B) plus ingredient (C) comprises at least about 90 weight percent of said composition.
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