The VALVOLINE SAE 15W40 all terrain engine oil is engineered for heavy duty and mixed fleet operations across all terrains. It offers superior wear protection, contributing to prolonged engine life. The optimized viscosity facilitates improved performance under varying temperature conditions. Advanced additives are incorporated to minimize sludge and deposit buildup, promoting a cleaner engine. Additionally, it provides excellent acid neutralization, enhancing oil longevity. This product is available in a 1-gallon capacity, ensuring sufficient supply for your needs.