Agra gps receivers for sale, compatible with all your current John Deere gps displays 1800,2600,2630,4240,. Subscribe free, full RTKAlso sell Agra gps bridges to allow your current steer ready tractor, sprayer, combine, etc.. Case IH, NH, Cat-Agco, Versatile and allow it to be steered by John Deere gps displays. $3,300Call or message with any questions218-686-8213