How often should I change the oil in my standby generator?

Change the oil during your generator’s annual maintenance service. We recommend annual maintenance, and our checklist includes changing engine oil and replacing filters. If your unit sees heavy use, a technician can inspect oil condition and advise on an earlier change. During a service visit, we also check the battery, fuel line, coolant, gas pressure, and simulate a power outage to verify performance.

Updated: 2025-11-27 00:00:00

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"We were pleased with his work on our generator; it’s up and running properly." — Barbara D.