Toro introduces this 5W 30 synthetic oil for winter weather. The best engine oil is specifically formulated for cold-weather starting. This For 5W 30 synthetic oil caters for easy starting and maximum engine protection in cold weather use. Toro 5W 30 winter engine motor oil is formulated with high-quality base oils. This engine oil is recommended for use in Toro mowers with 4-cycle engines. The 5W 30 full synthetic oil is perfect for Powerlite 38172 and 38182 Toro Snowthrower models.