Posted 1/15/2014 08:23 (#3605215 - in reply to #3605005) Subject: RE: JD 4840
No you would have to buy an ATU kit for the 40 series. ATU is a motor that mounts in place of your steering wheel and enables you to autotrac. I think you can only get integrated steering(hydraulicly) in 8000 series and newer tractors
JD 4840
