Motor Oil, Series Delvac, Container Size 1 gal, Compatible Vehicle Type Trucks, Base Formulation Synthetic, SAE Viscosity Grade 15W-40, Biodegradable Biodegradable, Color Brown, Compatible Engine Type Diesel Engines, Features 46 Percent more Antioxidant and 44 Percent more Anti-Wear Additive than Mobil Delvac(TM) 1300 Super, Soot and Viscosity Control, Exceptional Oxidation Stability, Extended Oil Drain Interval (ODI) Potential upto 2 x the Average OEM ODI Recommendation