Toro Z Master 4000 Mowers Are Built To Throw Whatever You Got At Them. The Toro 4000 Series Z Master Models Are In-Stock Now. Shop The Following Mowers Today. Model 74054, Toro Z Master 4000 Model 74055, Toro Z Master 4000 Model 74015, Toro Z Master Model 74022, and Toro Z Master Model 74020, Backed By 5 Year warranty