Have ended up with two 3HP Gasoline Edgers that run fine except - the shaft that holds the blade needs to be replaced on both. Can identify the bearing and the pulley size but dealers want to know the Brand of the unit to get part number of shaft. If anyone has a manual on their edger that the shaft size matchs the description below I would appreciate the Brand, Model and part number so I can get these things running. Both shafts are about 3 1/2" long, 1/2" diameter in center, stepped down to 3/8" on both ends for pulley and blade. Thanks