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    Coolant flush - 11.5 kW genset

    Time for me to flush the coolant in my Onan DNAD 11.5 kW genset. Powers an off grid cabin. Have never done it, and guessing that’s why the generator is shutting down on occasion when temps are just in teens. Plugging in block heater solves issue, so really hope it’s just a matter of coolant...
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    11.5kW diesel generator - oil recommendation?

    Hello, I have an 11.5kW diesel (Onan DNAD) genset that powers a small cabin. Made 2004-ish, has 7500 hours on it. I change the oil pretty religiously at intervals less than the 250 hours the manual calls for. I normally run 10w30 oil in winter, but have slow start ups when it gets real cold...

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