MTD 640-690, 750-790 and 137-531-000 thru 137-631-000; 30" and 38" decks
Note: The above part may fit more models than are listed here. If your model is not listed, and you want to see if this part fits your model, use the "Original Equipment Parts Lookup" link located to the left of this page.
1 1/4" x 1" ID step pulley, Small Pulley OD: 3 9/16", Keyway: 1/4 ", 3" space between pulleys, Large Pulley OD: 5 1/2", Height: 5 1/2 "
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