1981 John Deere 4640 2WD Tractor, 9,371 Hrs Showing, 172 Hp, 7.6L Turbocharged Intercooled Diesel Engine, Full PowerShift Transmission, Gears: 8 Forward And 4 Reverse, Sound-Gard Cab, Dual Rear Wheels, (18) Suitcase Weights, Rear Wheel Weights, 3-Pt Quick Hitch, Deluxe Steps, Drawbar, (3) Hydraulic Remotes, 540 PTO, Small 1000 PTO Adapter, Heater & Air-Conditioning, AM/FM Radio, 11.00-16 Front Tires, 18.4-38 Rear Tires, SN: 021567RW