1977 Allis-Chalmers 7580 4WD Tractor, 5,015 Hrs Showing, 200 Hp, Allis-Chalmers 3750 6-Cyl Diesel, Water Cooled Engine, Partial Powershift, 20 Forward Speeds, 4 Reverse Speeds, Independent PTO, Large 1000 PTO, 3 Auxiliary Hydraulics, Differential Lock, Hydraulic Brakes, Articulated Steering, 18.4-38 Front Tires, 18.4-38 Rear Tires, Front And Rear Duals, 3 Point Hitch, LED Lighting, Heater, AC, Radio, SN: 1461