| abstract |
A lubricating oil additive composition that can be used as a hydraulic fluid for a tractor is provided. An oil-soluble lubricating oil additive composition comprising: (a) at least one melting point selected from the group consisting of fatty acids, fatty acid amides, fatty acid esters and alkanediols is higher than 30 ° C. At least 3.5 wt.% Friction modifier, (b) at least 10 wt.% Active dispersant, and (c) sufficient to keep the additive composition free of haze, sediment and skin formation. A sufficient amount of surfactant, provided that the surfactant comprises at least 150 mm per kg of the lubricating oil additive composition. [Selection figure] None |