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Rex_Haul's avatar
Rex_Haul
Explorer
Feb 07, 2014

DP - Apply Throttle for Cold Weather Start? (That Depends)

My owner's manual oddly doesn't cover Cold Weather Starting (20ºF or -7ºC or colder) but I found a general Caterpillar Winter Operation Guide that called for 1/3 throttle till start. Then a couple of ...
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Mike_and_Trish's avatar
Mike_and_Trish
Explorer
Feb 07, 2014
You mean cetane, not octane. Opposite measures, more or less -- octane is a measure of resistance to pre-ignition (knocking), relevant to gasoline, while cetane measures combustibility, relevant to diesel engines. (These are rough definitions, which someone will undoubtedly correct me for.)

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