Hesston 80-66: all source data
All 78 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Distributor | Hesston |
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| Manufacturer | Fiat |
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| (no label) | Utility tractor |
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| (no label) | Original price was $26,500 in 1990 |
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Engine| (no label) | Fiat 3.9L 4-cyl diesel |
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| Fuel tank | 19.2 gal | 72.7 L |
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Transmission| (no label) | 12-speed partially synchronized |
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| (no label) | 12-speed mechanical shuttle |
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| (no label) | 20-speed creeper |
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Power| Engine | 80 hp | 59.7 kW |
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| Drawbar (claimed) | 62 hp | 46.2 kW |
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| PTO (claimed) | 70 hp | 52.2 kW |
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| Drawbar (tested) | 62.21 hp | 46.4 kW |
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| PTO (tested) | 70.43 hp | 52.5 kW |
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Mechanical| (no label) | Two- or four-wheel drive |
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| (no label) | Power steering |
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| (no label) | Differential mechanical wet disc brakes |
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| (no label) | Four-post ROPS. Canopy optional. |
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Hydraulics| Type | open center |
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| Pressure | 2700 psi | 186.2 bar |
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| Valves | 1 to 3 |
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| Total flow | 11 gpm | 41.6 lpm |
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Hitch| Rear Type | II |
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| Control | position and lower-link draft control |
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| Rear lift | 5194 lbs | 2355 kg |
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Pto| Rear PTO | independent |
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| Rear PTO Type | 540/ground |
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| Rear PTO Type | 540/1000 |
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Dimensions| 2WD Wheelbase (2WD) | 90.7 inches | 230 cm |
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| 4WD Wheelbase (4WD) | 88.5 inches | 224 cm |
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| Weight | 5800 to 6535 pounds |
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| Front tire | 7.50-16 |
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| 2WD Rear tire (2WD) | 18.4-30 |
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Electrical| Charging system | alternator |
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| Charging amps | 33 |
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| Battery volts | 12 |
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Engine
Engine detail| (no label) | Fiat 8045.05 |
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| (no label) | diesel |
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| (no label) | 4-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 238.5 ci | 3.9 L |
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| Bore/Stroke | 4.094x4.527 inches | 104 x 115 mm |
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| Power | 80 hp | 59.7 kW |
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| Pre-heating | ether |
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| Compression | 17:1 |
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| Rated RPM | 2500 |
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| Starter | electric |
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| Starter volts | 12 |
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Transmission
Transmission options| (no label) | 12-speed partially synchronized |
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| (no label) | 12-speed mechanical shuttle |
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| (no label) | 20-speed creeper |
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Transmission| Type | partially synchronized |
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| Gears | 12 forward and 4 reverse |
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| (no label) | Four gears (1-4) in three ranges (I-III). Shifts between gears are synchronized. |
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| Type | mechanical shuttle |
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| Gears | 12 forward and reverse |
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| (no label) | Four gears (1-4) in three ranges (I-III) with shuttle. |
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| Type | creeper |
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| Gears | 20 forward and 8 reverse |
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| (no label) | Four gears (1-4) in three ranges (I-III) with normal and creeper ranges. |
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Dimensions
Tires| 2WD Standard tires (ag) (2WD) | Front: 7.50-16. Rear: 18.4-30 |
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| 4WD Standard tires (ag) (4WD) | Front: 12.4-24. Rear: 18.4-30 |
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Dimensions| 2WD Wheelbase (2WD) | 90.7 inches | 230 cm |
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| 4WD Wheelbase (4WD) | 88.5 inches | 224 cm |
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| 2WD Length (2WD) | 139 inches | 353 cm |
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| 4WD Length (4WD) | 143 inches | 363 cm |
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| 2WD Clearance (front axle) (2WD) | 21.5 inches | 54 cm |
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| 4WD Clearance (front axle) (4WD) | 16 inches | 40 cm |
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| 2WD Front tread | 55.1 to 74.75 inches | 139 to 189 cm |
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| 4WD Front tread | 60.25 to 77 inches | 153 to 195 cm |
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| Rear tread | 55.1 to 78.75 inches | 139 to 200 cm |
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Weight| 2WD Shipping (2WD) | 5800 lbs | 2630 kg |
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| 4WD Shipping (4WD) | 6450 lbs | 2925 kg |
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| 4WD Operating (4WD) | 6535 lbs | 2964 kg |
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| Ballasted | 9400 lbs | 4263 kg |
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Height| Steering wheel | 67 inches | 170 cm |
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| Hood | 59 inches | 149 cm |
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| ROPS | 100 inches | 254 cm |
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