"Super S SuperSyn 100% synthetic gear oils are Heavy Duty, Severe Service, Thermally Stable, Extreme Pressure gear lubricants designed to operate in both high and low extreme temperature conditions for all season use, even in sub-zero conditions. Super S SuperSyn full synthetic gear oils provide improved fuel economy, extended drain capabilites and are fortified with additives to prevent rust, oxidation and corrosion.
Super S SuperSyn High Performance Full Synthetic Gear Oils are recommended for all Differentials, Manual Transmissions, Spiral Bevel and Hypoid Gears, Axles and Drive Units.
Use wherever an API GL-5 and MT-1 are recommended."