CHAMPION 4000 PREMIUM TRACTOR HYDRAULIC FLUID offers friction control, wear protection, thermal stability, shear stability, rust and corrosion protection, and deep cold pumpability all optimally balanced to provide extended clutch life, maximum drawbar loading in a wide range of ambient temperatures. Improved oxidation/thermal stability and low temperature properties Improved modification system with increased friction durability Premium deposit control and reduced final drive wear Anti-foaming with natural resistance to thickening Extended seal life protection Part# 4000N 4/1 Gal. Part# 4000S 3/2 Gal. Part# 4000U 2/2.5 Gal. Part# 4000D 5 Gal. Part# 4000AN 55 Gal.