CountryMark Advantage™ Premium Tractor Hydraulic Fluid is a high-quality, specially-designed lubricant containing anti-rust, anti-foam and oxidation inhibitors. It’s further enhanced by additives that meet recommendations of various manufacturers. You can expect superior protection of gears, pumps and other parts. Our tractor hydraulic fluid also prolongs the life of seals and hydraulic hoses, retains viscosity at high temperatures and guarantees flowability even at cold temperatures.