Product Details: The Lucas Oil Products Heavy Duty Gear Oil is a long-lasting lubricant designed especially for heavy duty applications. It is specially formulated to stand up to high temperatures without losing its lubricity, making it an ideal choice for high performance gear oil. This oil is designed to reduce wear and tear on your gear while providing superior protection against rust and corrosion. It also helps to reduce friction and heat, allowing your gears to run smoother and last longer. FleetPride is your First Click in Heavy Duty®.