John Deere 4640 Farm Tractor. SN 4640H019342R. EROPS. Rear 3 Pt. Hitch. Rear PTO. Hyd Remotes. 200 Gal Front Mounted Tank. 14L-16.1 Front Rubber. 20.8-38 Rear Rubber. JD Diesel Engine. 185 HP. Hour Meter Read: 8,515 Hours.