Used John Deere GreenStar-2 2600 Display with AutoTrac SF2 Activation. Works with SF1, SF2, SF3 and RTK Receivers. Display was tested. Works as it should. Multiple units available. Also have 2600 With AutoTrac, Section control, Row Sense and with Basics only. Pick up in Egeland, ND or we can ship it. Call for any questions.