I have just completed a coolant drain-flush-refill on my coach. I have 2.5 gallons of CAT ELC left over. It is the 50/50 mix, 40-49% ethylene glycol, a few percent other things and 50% water. Onan calls for either ethylene glycol or propylene glycol. Does the CAT ELC meet this standard? I cannot find any reference from Onan re: astm D4985 etc that come on the coolant bottle itself. The ELC has embitterment? What is that?
Is this OK? Does anyone else have CAT ELC in their generator. Sure would like to carry just one coolant around.
Ken Sair 2007 Contessa