Originally Posted By: 3311
Thanks for the info! I thought Cat, based on what I read, was an OAT and not an NOAT. Everything I read states that it is Nitrate free and relies on Carboxylic acids just like Dexcool.

Not trying to be argumentative just trying to learn something.


General info on cat coolants can be found here. this link includes information on who recommends this coolant in addition to Caterpillar

http://www.louisiana-cat.com/assets/uploads/elcfaq.pdf

Information on the ELI concentrate for refreshing Cat ELC-1 coolant

http://parts.cat.com/cda/files/3055800/7/PEHJ0263.pdf

And an interesting read on bobistheoilguy forum that you just joined is the following posts.

http://www.bobistheoilguy.com/forums/ubb...amp;type=thread

I will confirm I have seen the same information expressed by the poster Extreme Duty.

Does this answer your questions. Cat ELC does contain sodium nitrite which will also inhibit esterification reactions as well as having other benefits.
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