Oregon 75-363 5/8-inch by 107 13/16-Inch Replacement Belt for MTD 954-0475/754-0475 Replaces MTD part numbers 954-0475 and 754-0475 Measures5/8Inch by 107-13/16-Inch Deck belt to lower engine pulley For auto drive step through frame on 50-inch garden tractor, 1999 and later