Patent ID: 8778853
Filing Date: 2014-07-15
Classification: C10M,C10N

Abstract:
1. A tractor hydraulic fluid comprising a. a major amount of an oil of lubricating viscosity b. at least about 0.05 wt % glycerol; c. 1.23 to 5.0 wt % of at least one low overbased sulfonate detergent; d. 0.1 to 5.0 wt % of at least one high overbased sulfonate detergent; e. 2.0 to 3.0 wt % of at least one medium overbased phenate detergent; f. 0.5 to 3.0 wt % of at least one high overbased phenate detergent; g. 1.28 to 2.0 wt % of at least one medium overbased carboxylate detergent and h. at least one antiwear additive.