Power: 80 hp Date of manufacture : 1985 - 1991
Production Distributor: Hesston Manufacturer: Fiat Type: Utility tractor Original price: $26,500 (1990 ) Variants 80-66: utility 2WD 80-66DT: utility 4WD 80-66OR: orchard 2WD 80-66ORDT: orchard 4WD 80-66HC: high-crop 80-66HCDT: high-crop 4WD Hesston 80-66 Power Engine: 80 hp 59.7 kW Drawbar (claimed): 62 hp 46.2 kW PTO (claimed): 70 hp 52.2 kW Drawbar (tested): 62.21 hp 46.4 kW PTO (tested): 70.43 hp 52.5 kW Hesston 80-66 Engine Mechanical Chassis: 4x2 2WD   4x4 MFWD 4WD Steering: power Brakes: differential mechanical wet disc Cab: Four-post ROPS. Canopy optional. Transmissions: 12-speed partially synchronized   12-speed mechanical shuttle   20-speed creeper Hydraulics Type: open center Pressure: 2700 psi 186.2 bar Valves: 1 to 3 Total flow: 11 gpm 41.6 lpm Tractor hitch Rear Type: II Control: position and lower-link draft control Rear lift: 5194 lbs 2355 kg Power Take-off (PTO) Rear PTO: independent Rear RPM: 540/ground   540/1000*Optional Dimensions & Tires 2WD Wheelbase: 90.7 inches 230 cm 4WD Wheelbase: 88.5 inches 224 cm Weight: 5800 to 6535 pounds Front tire: 7.50-16 2WD Rear tire: 18.4-30 Electrical Charging system: alternator Charging amps: 33 Battery volts: 12

Hesston 65-56	Power: 65 hp	Date of manufacture : 0000 - 0000

Hesston 70-66	Power: 70 hp	Date of manufacture : 1985 - 1991

Hesston 70-90	Power: 70 hp	Date of manufacture : 0000 - 0000

Hesston 70-56	Power: 70 hp	Date of manufacture : 0000 - 0000

Hesston 80-66	Power: 80 hp	Date of manufacture : 1985 - 1991

Hesston 80-90	Power: 80 hp	Date of manufacture : 0000 - 0000

Hesston 90-90	Power: 90 hp	Date of manufacture : 1984 - 1988

Hesston 100	Power: 360 hp	Date of manufacture : 0000 - 0000

Hesston 100-90	Power: 100 hp	Date of manufacture : 0000 - 0000