Erie Tools Lawn Mower Deck Spindle Assembly fits MTD 717-0906A, 753-05319, 917-0906A 38" and 42" "F" deck model for 600 series Spindle assembly replaces MTD-917-0906A/717-0906A Fits 38" and 42" "F" deck model for 600 series Fits MTD series 600 and 805 series 32" and 42" deck "G" Fits MTD series 38" deck "F", and also fits 42" models 700-739 and 750-769 2 Spindles Reqired for 32", 38" and 42" Deck; 3 Spindles may also be required for 42" Decks