John Deere Hy-Gard Transmission and Hydraulic Oil is a high-performance, multi-purpose lubricant specifically engineered by John Deere for optimal protection and efficiency in John Deere equipment. This 209-liter container of Hy-Gard fluid is formulated to safeguard transmissions, differentials, and hydraulic systems across a wide range of operating temperatures. Its multi-viscosity properties and high viscosity index ensure reliable performance, while specialized additives prevent wear, corrosion, and foaming, extending component life and maintaining system integrity.