1978 John Deere 4640 2WD Tractor, 3,911 Hrs Showing, John Deere 7.6L 6-Cyl Diesel, Water Cooled Engine, 8-Speed Powershift Transmission, 1000 PTO, 3-Pt Quick Hitch, 2 Auxiliary Hydraulics, (10) Front Weights, 14L-16.1 Front Tires, 20.8-38 Rear Dual Tires, SN: 4640P 006256R Year: 1978, Make: John Deere, Model: 4640, What: 2WD Tractor, Hours: 3,911 Hrs Showing, Serial Number: 4640P 006256R