I think Caterpillars recommendation sounds like double talk but makes absolute sense.
The bulletin I read discussed that if your fuel met spec, additives aren't needed, if not, they are.
I am assuming like many manufacturers, Cat assumes most users are not going to be diligent in using fuel that meets spec. Therefore its ts recommendations SEEM confusing, but really aren't if you read closely.
Then they go on to talk about which additive TYPES, not brands to use if the fuel is out of spec.
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