Posted 10/6/2011 08:10 (#1992788 - in reply to #1992547) Subject: RE: 4640 running rough--FIXED!!!!!!
West Central Iowa
jimmyharris&sons - 10/6/2011 21:38
AR73888
I don't think that is the part number he is talking about. That check valve has been factory installed on all 30 and newer row crop tractors since the early 30 series. It prevents the fuel from draining back to the tank when the tractor is parked.