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whs9841's avatar
whs9841
Explorer
Oct 16, 2014

New Onan 5500 gen - oil change and air filter questions

I have a new Fuzion 331 with an Onan 5500 gas generator (I believe it is model HGJAB). I just used the trailer to dry camp last weekend and ran the generator all weekend. I need to change the oil, o...
Camper_Ken's avatar
Camper_Ken
Explorer
Oct 17, 2014
I use Shell Rotella 15w-40. Some think it's only for diesel engines, but not true. It's a good heavy duty oil. I checked with Onan and they said yes, it's definitely recommended as much as their own Onan branded oil. Use the "836" filter.

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