Toro 12PK Hypr-Oil 500 114-4713 Hydro Oil 1 Quart Zero Turn Lawn Mowers

"New Toro HYPR-OIL 500 high-performance hydro oil is specially formulated for use in all Toro landscape contractor equipment . including Toro Z Master commercial mowers . mid-size mowers . and new Toro Grand Stand stand-on mowers. When compared to other hydraulic oils . it reportedly offers greater thermal stability . higher shear resistance . and excellent wear protection for Toro's mowers. Unique formulation allows customers to double the service interval to 500 hours on 2009 model-year equipment . including the new Z Master G3 and Grand Stand mowers. When Toro hydro oil is used in prior-year Toro mower models . or is mixed with competitive hydraulic oils . customers should maintain the 250-hour . or annual . oil-change interval as recommended by the owner's manual."