037-0613 - Motor Shaft & Rotor Assembly (G.E. Motor)
This item is for the 4 HP head only, if you have a 2 HP or 1-1/2 HP this item will not work for you. The item you need is the 1547-08 for 2HP and 1546-08 for 1-1/2HP. See below for the link.  

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