Posted 12/11/2010 06:13 (#1479390 - in reply to #1479384) Subject: Re: Deere 4520
Blue Grass (Eastern IA)
Most 4520's were upgraded to 4620 engines in the first few years. Think they were a 531 not a 404. There was a major problem with them. Don't remmember what it was, but it was a big deal like the crank shafts on combines a couple of years ago. History repeats.
Deere 4520
