Toro Hour Meter TimeCutter Max 147 8791 23 RM3 81 Max rope size is 1 2" Max rope size is 1 2" 74730 (TimeCutter SS 5000 Riding Mower) Model # Product Name 77505 TimeCutter Max 50in Zero Turn Riding Mower 77501 TimeCutter Max 50in Zero Turn Riding Mower 77502 TimeCutter MyRIDE 50in Zero Turn Riding Mower 77503 TimeCutter MyRIDE 54in Zero Turn Riding Mower 77504 TimeCutter Max 54in Zero Turn Riding Mower 77506 TimeCutter Max 54in Zero Turn Riding Mower 77507 TimeCutter MyRIDE 54in Zero Turn Riding Mower 77601 TimeCutter Max 60in Zero Turn Riding Mower 77603 TimeCutter MyRIDE 60in Zero Turn Riding Mower The Toro Model 147 8791 is a Genuine OEM Hour Meter Kit specifically designed for use with the TimeCutter MAX series of zero turn mowers