1979 John Deere 850D; 10,668 Hours. Had transmission overhauled at 10,539 hours, double on under carriage between 50% and 60%, pads are 35%, right track seal needs replaced (If I replace)$18,500 and If not (as is)$16,500, needs rock guard right side, equipment is located in Ouray, CO. For more information, please call 970-729-0759 or 970-323-5989.