MOTOSEL 303 Tractor Hydraulic Fluid is an economic, low viscosity, single grade lubricant formulated from a blend of highly refined base oils with a high-performance additive package. It provides excellent results in rust protection, water sensitivity, extreme pressure/anti-wear properties and foam suppression. It is a suitable lubricate for older tractor transmission, differential and final drive gears in tractors and implements where a economic fluid is desired. It is also recommended as a replacement fluid for Allis Chalmers, Allison, Ford Tractor, Caterpillar, International Harvester, Deutz, Oliver, White, J.I. Case, Massey Ferguson, John Deere and other manufacturers where a 303 tractor hydraulic fluid is recommended. 303 Tractor Hydraulic Fluid is recommended for model years earlier than 1974. For equipment built after 1974 MOTOSEL Premium Universal Tractor Hydraulic Fluid J20C is recommended.