What type of oil for brigs and stratton 18 hp OHV?

For a Briggs and Stratton 18 HP OHV engine, it's recommended to use SAE 30 oil for warmer temperatures and 5W-30 for colder conditions. Always check the owner's manual for specific recommendations, as it may vary based on the model and operating conditions. Additionally, using high-quality oil that meets API service classification can help ensure optimal engine performance and longevity.