Power: 70 hp Date of manufacture : 1981 - 1984
Production Manufacturer: Hesston (a part of Fiat) Type: Utility tractor Original price: $17,700 (1984) Hesston 640 Power Drawbar (claimed): 54.7 hp 40.8 kW PTO (claimed): 63 hp 47.0 kW Hesston 640 Engine Mechanical Chassis: 4x2 2WD   4x4 MFWD 4WD optional Transmission: 8-speed Hydraulics Type: open center Valves: 1 Tractor hitch Rear Type: I/II Power Take-off (PTO) Rear PTO: independent Rear RPM: 540 Dimensions & Tires Weight: 4,730 lbs 2145 kg Front tire: 7.50-16 Rear tire: 14.9-30 Full dimensions and tires ...

Hesston 480-8	Power: 47 hp	Date of manufacture : 1981 - 1984

Hesston 566	Power: 56 hp	Date of manufacture : 1983 - 1984

Hesston 580	Power: 55 hp	Date of manufacture : 1981 - 1984

Hesston 586	Power: 56 hp	Date of manufacture : 0000 - 0000

Hesston 640	Power: 70 hp	Date of manufacture : 1981 - 1984

Hesston 666	Power: 68 hp	Date of manufacture : 1983 - 1984

Hesston 680	Power: 68 hp	Date of manufacture : 1981 - 1984

Hesston 766	Power: 77 hp	Date of manufacture : 1983 - 1984

Hesston 780	Power: 77 hp	Date of manufacture : 1981 - 1984