Gear Oil

Farm-Oyl® gear oils are designed to provide extreme protection against wear, rust, corrosion, temperature fluctuations, foam and oxidation to improve equipment performance and life.


  • Gear Master Gold - Full Synthetic

    Gear-Master Gold 75W-90 gear oil is a full synthetic multi-purpose extreme pressure GL-5 gear oil designed to provide optimum performance in the upper Midwest cold temperature climate. It has outstanding shear resistance, oxidation and thermal stability to minimize sludge and varnish buildup.

  • Gear Master - Multi Purpose

    Gear-Master Multi-Purpose 80W-90/85W-140 gear oils are multi-purpose straight mineral gear lubricants. They are designed to meet the widest range of needs for both off- and on-highway vehicles including trucking, agriculture, construction and industrial equipment.