Thanks, I ended up picking up some HD-30 (Pennzoil, API SL) that I found at a local autoparts store.
What is the HD in the HD-30? Is it heavy duty? I can't seem to find anything that explains what HD is.
Thanks for the help.
bearda - the generator was manufactured in 2005 so it's about 5 years old.
I did see SAE HD30 at walmart, but I didn't know what HD 30 is.
So my generator calls for
"Be sure original container is marked API Service "SL/SJ".
It's a tecumseh engine. I've searched high and low (walmart, home depot, etc) and I'm having a bear of a time finding an oil that meets the SL rating. My understanding is that since the letter "L" is after the...