1981 John Deere 8640 4WD Tractor W/Blade, 2,773 Hrs Showing, John Deere 619ci 10.1L 6-Cyl Turbocharged Diesel Engine, John Deere Quad-Range, Partial Powershift, 16 Forward Speeds, 6 Reverse Speeds, Large 1000 PTO, 3 Auxiliary Hydraulics, Quick Hitch, 12' John Deere Dozer Blade W/Manual Angle Adjustment, (1) Wheel Weight On Each Inside Dual Tire, 18.4-38 Tires On Cast Centers, NOTE: To Contact Seller, Text 1st, SN: 8640H007082RW