A railway diesel crankcase lubricant composition comprising a major portion of {HEAD ~ a diesel} lubricating oil and {TAIL ~ a minor amount} of, as an oxidation and corrosion inhibiting agent, a condensate product prepared by the process comprising: 
A railway diesel crankcase lubricant composition comprising a major portion of { HEAD ~ a diesel } lubricating oil and { TAIL ~ a minor amount } of , as an oxidation and corrosion inhibiting agent , a condensate product prepared by the process comprising :
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH