PEAK P3M0076 SAE 30W SL Heavy Duty Motor Oil - 1 Quart Bottle, (Case of 6) Recommended for use in on and off-road diesel applications, as well as in heavy duty gasoline fleets, operating under all service conditions Formulated with an advanced additive technology and premium base oils, it protects engines even in severe conditions Designed to provide excellent performance in two-stroke diesel engines that require API CF-3 service classification Low sulfated ash formula No need for additional oil additives