SING TORQUE SERIES are full synthetic multi-grade high performance diesel engine oils. An advanced fully synthetic formulation allows for an extended drain interval and higher oxidation stability. SING TORQUE SERIES are engineered to perform with high sulfur diesel fuel with sulfur content up to 0.5% by weight. SING TORQUE SERIES features superior effectiveness in maintaining optimal engine performance and protecting it against corrosive wear, oxidative thickening and loss in viscosity due to shear.