Is a mono-grade SAE 20 fluid. ® AG-20 Fluid is an excellent choice for general lubrication. It is suitable for use in applications which call for an SAE 20 fluid. CAUTION: Some specifications are no longer deemed active by the original equipment manufacturer. Significant harm to the transmission, hydraulic system, seals, final drive or axles is possible when using this product in applications which is not intended. This is not intended to be used as a universal tractor hydraulic fluid or motor oil.