What kind of oil does a walk behind John Deere lawnmower take with a 725 engine?

A walk-behind JOHN DEERe lawnmower with a 725 engine typically requires SAE 30 motor oil or 10W-30 oil, depending on the temperature conditions. It's essential to check the owner's manual for specific recommendations, as different models or conditions may have varying requirements. Always use high-quality oil to ensure optimal engine performance and longevity.