Whats so special about Onan generator oil
Just doing a service on my generator (5500 Marquis model 5.5HGJAB-1038D). Bought plugs and filter, but they wanted $15 a quart for the Onan SAE 15W-40. Thought maybe I could just get it cheaper at an ...
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I bought some Onan oil early on. After reading label, didn't need to pay that price.
I have went through a couple of diesel oils but now use Delo in engine and Onan diesel. It has more zinc wear additive like old engine oils have.
I fibbd by mis remembering. I put Royal Purple diesel 15w40 in the Onan.
I have went through a couple of diesel oils but now use Delo in engine and Onan diesel. It has more zinc wear additive like old engine oils have.
I fibbd by mis remembering. I put Royal Purple diesel 15w40 in the Onan.
