Hesston 70-90: all source data
All 86 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 $31,100 in 1985 |
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Engine| (no label) | Fiat 3.6L 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 | 70 hp | 52.2 kW |
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| PTO (claimed) | 62 hp | 46.2 kW |
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| Drawbar (tested) | 53.92 hp | 40.2 kW |
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| PTO (tested) | 62.25 hp | 46.4 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 | II |
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| Rear lift | 5212 lbs | 2364 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) | 89.25 inches | 226 cm |
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| 4WD Wheelbase (4WD) | 89.5 inches | 227 cm |
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| Weight | 6798 to 7436 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 8045.06 |
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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 | 220.5 ci | 3.6 L |
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| Bore/Stroke | 3.937x4.527 inches | 100 x 115 mm |
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| Power | 70 hp | 52.2 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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| 4WD Ag front (4WD) | 12.4-24 |
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| Ag rear | 18.4-30 |
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| Ag rear | 13.6-38 |
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| Ag rear | 16.9-30 |
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Dimensions| 2WD Wheelbase (2WD) | 89.25 inches | 226 cm |
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| 4WD Wheelbase (4WD) | 89.5 inches | 227 cm |
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| 2WD Length (2WD) | 135.25 inches | 343 cm |
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| 4WD Length (4WD) | 140.5 inches | 356 cm |
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| 2WD Front tread | 55.5 to 75.25 inches | 140 to 191 cm |
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| 4WD Front tread | 64.1 to 77 inches | 162 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 | 6798 lbs | 3083 kg |
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| 4WD | 7436 lbs | 3372 kg |
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| Operating | 7,100 lbs (2WD) | 3220 kg |
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| Ballasted | 7,775 lbs | 3526 kg |
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Height| 2WD Hood (2WD) | 58.25 inches | 147 cm |
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| 4WD Hood (4WD) | 64.5 inches | 163 cm |
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| ROPS | 101.25 inches | 257 cm |
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| Cab | 99.5 inches | 252 cm |
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