Machine description: Used John Deere 2640 open station tractor, 2-wheel drive, 8F/4R transmission, rear differential lock, 11L-15 front tires, 460/85R30 rear tires, 2-remotes, 3-point, 540 PTO, JD 146 loader with 2 stick ... more info about the 1977 John Deere 2640.