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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...
Vet_Man's avatar
Vet_Man
Explorer
Oct 16, 2014
I use 10-30 all the time, and do not use synthetic oil but many people do. On mine there are 2 filter options, one is just longer so it sticks down further for ease of removal. My filter is removed from underneath, and allows you to get a filter wrench on easier.

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