Oregon 75-092 Replacement Belt for MTD 954-0935/754-0935, 1/2-inch x 31-inch Replaces MTD part numbers 954-0935 and 754-0935 Measures 1/2-inch by 31-inches Drive belt for Sp models 352R and 359R Traction drive for model 640, 642, 646, 660 and 666 snow blowers