Zinc free Mobil

[toyota62]

http://www.exxonmobil.com/Australia-English/Marine/PDS/GLXXENMRNEMMobilgard_450_NC.asp

 

[Johnny]

EMD Railroad engine oil. Do not use this type of product in your standard gasoline or diesel engine.

 

[bullwinkle]

But if you had an OLD 2-stroke DD, that was ran only in HOT weather, it would be OK. Pour point of -6 C.-that might be the highest pour point I've ever seen-locomotives must never cool off!