Posted 7/11/2020 12:35 (#8367104 - in reply to #8367057) Subject: RE: John Deere 4640 PTO won’t engage.
West Central Iowa
1st thing to check is the linkage that runs down into the "well" under the floor plate by the dimmer switch. No uncommon for the well to fill with hard packed dirt and cause problems. Also make sure the 1/4" nut that retains the lever to the shaft down in there did not work loose.