Posted 9/27/2020 21:24 (#8518572 - in reply to #8518527) Subject: RE: What years were they produced?
South Central Indiana
There are international harvester 496 disks out there so at least 1984 or probably couple years earlier. I think the 3900 disk came out in 1992. I remember the bearing issues on cushion gang disks. 496 was one of the best disks ever made as long as it wasn't abused.