Used General Electric Motor 1/4 HP 3 PHASE 1140 RPM Motor 56 Frame Mod. 5K42FG784 the shaft is 5/8" 

 I powered it up and it runs well.

 

Used box motor from a company that closed and had spare motors in stock for their equipment.

 

[Please Look at all the pictures they are part of the description]

 

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