1981 John Deere 8640 4WD Tractor, 8,750 Hrs Showing, 275 Hp, John Deere 10.1L 6-Cyl Turbocharged, Diesel, Water Cooled Engine, 214 Gal Fuel Capacity, Block Heater, John Deere Quad Range, Partial Powershift, 16 Forward Speeds, 6 Reverse Speeds, Independent PTO, Large 1000 PTO, Rear PTO Location, 2 Scv Auxiliary Hydraulics, Differential Lock, Hydraulic Brakes, Articulated Steering, 18.4-34 Front Tires, 18.4-34 Rear Tires, Front And Rear Duals, Heater, AC, Radio, Iron Horse Series, NOTE: Tractor Has Fluid Leak, Source Unknown, Parking Brake Cable Needs Replaced, Needs Batteries, Had To Jump Start For Video, SN: 006923RW