Rotary 10831 Variable Speed Belt Length 69-3/16"; Width 5/8" Fits: MTD 600 series lawn tractors, except auto drive step-thru frame models, 2003 and newer; White LT15 and LT175 Fits: MTD 13AB652F729, 13AC650F000, 13AC650F700, 13AC650F765, 13AC662F129, 13AC762F729, 13AD668G705, 13AD685G000, 13AD685G700, 13AD688G300, 13AD688G722, 13AD771G7, 13A1762F700, 13A3660F205, 13A3665G000, 13A3762F700, 13A7660G752, 13A7668H352, 13A7688G300 Replaces: Husqvarna 578453619; MTD 754-04001, 754-04001A, 954-04001, 954-04001A