Hesston 80-90: all source data
All 85 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 $35,000 in 1990 |
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Engine| (no label) | Fiat 3.9L 4-cyl diesel |
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| Fuel tank | 21.1 gal | 79.9 L |
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Transmission| (no label) | 12-speed synchromesh |
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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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| PTO (claimed) | 71 hp | 52.9 kW |
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| Drawbar (tested) | 60.77 hp | 45.3 kW |
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| PTO (tested) | 70.86 hp | 52.8 kW |
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Mechanical| (no label) | Two- or four-wheel drive |
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| Final drives | planetary |
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| Differential lock | mechanical rear |
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| (no label) | Power steering |
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| (no label) | Differential hydraulic wet disc brakes |
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| (no label) | Four-post ROPS. Cab optional. |
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Hydraulics| Type | open center |
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| Pressure | 2702 psi | 186.3 bar |
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| Rear valves | 2 or 3 |
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| Pump flow | 11 gpm | 41.6 lpm |
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Hitch| Rear Type | I/II |
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| Rear lift | 4898 lbs | 2221 kg |
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Pto| Rear PTO | independent |
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| Rear PTO Type | 540 (1.375) |
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| Engine RPM | 540@2198 |
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Dimensions| 2WD Wheelbase (2WD) | 89.1 inches | 226 cm |
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| 4WD Wheelbase (4WD) | 89.5 inches | 227 cm |
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| Weight | 6930 to 7634 pounds |
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| Front tire | 7.50-16 |
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| Rear tire | 16.9-30 |
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Electrical| Ground | negative |
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| Charging system | alternator |
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| Charging amps | 65 |
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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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| Fuel system | direct injection |
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| Pre-heating | ether injection |
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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 synchromesh |
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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 | synchromesh |
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| Gears | 12 forward and 4 reverse |
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| Clutch | 279.4mm dry disc |
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| (no label) | Four gears (1-4) in three ranges (I-III) plus reverse range. |
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| Type | mechanical shuttle |
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| Gears | 12 forward and reverse |
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| Type | creeper |
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| Gears | 20 forward and 8 reverse |
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Dimensions
Tires| 2WD Ag front (2WD) | 7.50-16 |
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| 4WD Ag front (4WD) | 11.2-24 |
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| Ag rear | 16.9-30 |
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| 2WD Ag front (2WD) | 7.50-18 |
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| 2WD Ag front (2WD) | 9.5L-15 |
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| 4WD Ag front (4WD) | 13.6-24 |
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| Ag rear | 13.6-38 |
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| Ag rear | 16.9-34 |
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Dimensions| 2WD Wheelbase (2WD) | 89.1 inches | 226 cm |
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| 4WD Wheelbase (4WD) | 89.5 inches | 227 cm |
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| 2WD Length (2WD) | 134.75 inches | 342 cm |
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| 4WD Length (4WD) | 144 inches | 365 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 | 64.25 to 77 inches | 163 to 195 cm |
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| Rear tread | 55.1 to 82.75 inches | 139 to 210 cm |
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Weight| 2WD | 6930 lbs | 3143 kg |
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| 4WD | 7634 lbs | 3462 kg |
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| Operating | 7,130 lbs (2WD) | 3234 kg |
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| Ballasted | 9,465 lbs | 4293 kg |
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Height| 2WD Hood (2WD) | 59.5 inches | 151 cm |
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| 4WD Hood (4WD) | 60 inches | 152 cm |
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| ROPS | 102.5 inches | 260 cm |
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| 2WD Cab (2WD) | 103.75 inches | 263 cm |
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| 4WD Cab (4WD) | 100.5 inches | 255 cm |
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