Posted 3/12/2013 06:33 (#2959387 - in reply to #2957928) Subject: Re: Will Ag Leader GPS work a Trimble steering valve on older JD tractor?
SW Indiana
A generic kit will work as others have pointed out, but the old 40 series deere tractors require an extra valve because of the hydraulic feedback circuit. Autofarm called it a 4 port solenoid valve. I have not checked, but you might be able to still get it through ag leader.