Onan 4000 oil capacity is a quart and a half. Mfgr says change at 20 hours and then every 150 hrs or 1 year.
It has no filter. Changing oil is only way to remove contaminates. Your generator , your choice.
__________________
U.S. Coast Guard retired- 1956-1985
Pensacola, Florida
2016 Siesta 24ST
1972 Moto Guzzi Eldorado
|