Type of oil for craftsman 42 riding lawn mower?

SAE 30 is the recommended oil type for most Craftsman 42" riding lawn mowers. However, it's always best to refer to the owner's manual of the specific model of the Craftsman 42" riding lawn mower you have, as the recommended oil type may vary depending on factors such as climate and usage conditions. Using the correct oil for your Craftsman lawn mower is important for the longevity of the engine and its components.