The Chevron Oil Motor Delo 400 LE SAE 15W40 Engine Oil - a high-performance engine oil designed to provide superior protection and performance for modern diesel engines. This engine oil is specifically formulated to meet the needs of 2010 compliant engines, including on highway diesel trucks that burn Ultra Low Sulfur Diesel (ULSD). Excellent wear protection: This engine oil is designed to protect your engine from wear and tear, even under heavy loads and extreme temperatures. Reduced deposits and sludge: The advanced formula of Chevron Oil Motor Delo 400 LE SAE 15W40 Engine Oil helps to reduce deposits and sludge buildup in your engine, keeping it clean and running smoothly. Extended oil life: This engine oil is formulated to last longer than traditional oils, so you can go longer between oil changes and save money in the long run. FleetPride is your First Click in Heavy Duty®.