Whats running under the hood of your machine matters. This 5W-30 synthetic engine oil is brought to you by one of the leading brands in the industry, Briggs & Stratton and is intended for use in small 4-cycle engines. This fully synthetic motor oil is SAE approved and contains a special blend of anti-coagulants to prevent oil from going stale in an idle state. In order for your engine to run in pristine condition, the engine needs lubrication, changing your oil should be a main focus on maintaining your outdoor power equipment. This oil is recommended for use in snow blowers, stand-by generators, pressure washers, lawn and garden equipment and especially for continuous use industrial/commercial equipment. To ensure that Briggs & Stratton synthetic engine oil is best for your outdoor power equipment, please reference your owners manual.