Inventors:
Benjamin H. Zoleski - Beacon NY
Rodney L. Sung - Fishkill NY
Stephen A. Levine - Fishkill NY
William P. Cullen - Fishkill NY
Assignee:
Texaco Inc. - White Plains NY
International Classification:
C10M 148
Abstract:
A marine crankcase lubricating oil composition characterized by having a Total Base Number from about 3 to 10 comprising a mineral lubricating oil, an overbased calcium alkylphenolate, a zinc dihydrocarbyl dithiophosphate, an ethoxylated alkylphenol, and an N-alkylglycine derivative having the formula: ##STR1## in which R is a hydrocarbyl radical having from about 10 to 25 carbon atoms, R' represents hydrogen or an alkyl, hydroxyalkyl or an aminoalkyl radical having from 1 to 5 carbon atoms and R" represents an alkyl or hydroxyalkyl radical having from 1 to 5 carbon atoms or a --CH. sub. 2 --CH. sub. 2 --NH). sub. x H radical in which x has a value from 1 to 3, or ##STR2## in which X represents an oxygen atom or a divalent N-R' radical and R and R' have the values noted above.