August 20th, 2014, John Deere rolled out new models, updates and software in Milwaukee, WI. Check out photos of the new products here! John Deere's four track machine, the 9RX is still in prototype - Stay tuned for rollout date.
This unofficial, sneek peek video of the four track was found today on Youtube, a John Deere dealer recorded it at the Media Launch http://www.farms.com/news/video-prototype-john-deere-four-track-9rx-tractor-80742.aspx.