Spindle Assembly / MTD 918-0240CPack Size:1MTD 918-0240, MTD 618-0240, MTD 618-0430, MTD 918-0430A, MTD 918-0430, MTD 918-0430B, MTD 918-0240A, MTD 918-0430C, MTD 918-0240C, Toro 112-0311, MTD 618-0430A, MTD 618-0240B, MTD 618-0240C, MTD 618-0430A, MTD 618-0430B, MTD 618-0430C, MTD 618-0241, MTD 618-0240A, MTD 618-0594Rotary 9286, Prime Line 7-05285, Dealer Choice 39-2110, Oregon 82-515, Rotary 12448, Napa 7-05285, Ratio Parts 122-170, Oregon 82-508, Oregon 85-027, Sunbelt B1MT54, EG/F1 6500757MTD 46" decks, 1997 and newer; using special design for 6 pt. star center hole; Toro 13AX60RH744 using special design for 6 pt. star center hole No threads in housing, use self-tapping screws, OD of Pulley: 5 ", Height: 4 3/4 ", Pulley included, Specially designed: to fit 6 pt. star spindle shaft