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| info | |
| 1985 - 1985 90 Series, Utility tractor | |
| Series next: | Hesston 80-90 |
| Series back: | Hesston 60-90 |
| Production | |
| Distributor: | Hesston |
| Manufacturer: | Fiat |
| Original price (USD), $31,100 (1985 ), | |
| Variants | |
| 70-90DT: | 4WD |
| Capacity | |
| Fuel: | 21.1 gal [79.9 L] |
| 3-Point Hitch | |
| Rear Type: | II |
| Rear lift: | 5212 lbs [2364 kg] |
| Power Take-off (PTO) | |
| Rear PTO: | independent |
| Rear RPM: | 540 (1.375) |
| Engine RPM: | 540@2198 |
| Dimensions & Tires | |
| 2WD Wheelbase: | 89.25 inches [226 cm] |
| 4WD Wheelbase: | 89.5 inches [227 cm] |
| Weight: | 6798 to 7436 pounds |
| Front tire: | 7.50-16 |
| Rear tire: | 16.9-30 |
| Hesston 70-90 Power | |
| Engine: | 70 hp [52.2 kW] |
| PTO (claimed): | 62 hp [46.2 kW] |
| Drawbar (tested): | 53.92 hp [40.2 kW] |
| PTO (tested): | 62.25 hp [46.4 kW] |
| Mechanical | |
| Chassis: | 4x2 2WD, 4x4 MFWD 4WD |
| Final drives: | planetary |
| Differential lock: | mechanical rear |
| Steering: | power |
| Brakes: | differential hydraulic wet disc |
| Cab: | Four-post ROPS. Cab optional. |
| Hydraulics | |
| Type: | open center |
| Pressure: | 2702 psi [186.3 bar] |
| Rear valves: | 2 or 3 |
| Pump flow: | 11 gpm [41.6 lpm] |
| Electrical | |
| Ground: | negative |
| Charging system: | alternator |
| Charging amps: | 65 |
| Battery | |
| Volts: | 12 |
| info | |
| Bore/Stroke: | 3.937x4.527 inches [100 x 115 mm] |
| Power: | 70 hp [52.2 kW] |
| Fuel system: | direct injection |
| Pre-heating: | ether injection |
| Compression: | 17:1 |
| Rated RPM: | 2500 |
| Starter: | electric |
| Starter volts: | 12 |
| Engine Detail | |
| Fiat 8045.06, diesel, 4-cylinder, liquid-cooled, 220.5 ci [3.6 L] |
| info | |
| Series next: | Hesston 80-90 |
| Series back: | Hesston 60-90 |
| Transmission | |
| Type: | synchromesh |
| Gears: | 12 forward and 4 reverse |
| Clutch: | 279.4mm dry disc |
| Four gears (1-4) in three ranges (I-III) plus reverse range. | |
| info | |
| Series next: | Hesston 80-90 |
| Series back: | Hesston 60-90 |
| Dimensions | |
| 2WD Weight: | 6798 lbs [3083 kg] |
| 4WD Weight: | 7436 lbs [3372 kg] |
| Weight (operating): | 7,100 lbs [3220 kg] (2WD) |
| Weight (ballasted): | 7,775 lbs [3526 kg] |
| 2WD Wheelbase: | 89.25 inches [226 cm] |
| 4WD Wheelbase: | 89.5 inches [227 cm] |
| 2WD Length: | 135.25 inches [343 cm] |
| 4WD Length: | 140.5 inches [356 cm] |
| 2WD Height (hood): | 58.25 inches [147 cm] |
| 4WD Height (hood): | 64.5 inches [163 cm] |
| Height (ROPS): | 101.25 inches [257 cm] |
| Height (cab): | 99.5 inches [252 cm] |
| 2WD [140 to 191 cm] 2WD} 64.1 to 77 inches {4WD} [162 to 195 cm] {4WD} Front tread: | 55.5 to 75.25 inches |
| Rear tread: | 55.1 to 78.75 inches [139 to 200 cm] |
| Hesston 70-90 Tires | |
| 2WD Ag front: | 9.5L-15 |
| 4WD Ag front: | 12.4-24 |
| Ag rear: | 18.4-30, 13.6-38, 16.9-30 |