Production
| Description | Utility tractor / Original price was $35,000 in 1990 |
|---|---|
| Distributor | Hesston |
| Manufacturer | Fiat |
Engine
| Engine type | Fiat 3.9L 4-cyl diesel |
|---|---|
| Fuel tank | 21.1 gal (79.9 L) |
| Bore/Stroke | 4.094x4.527 inches (104 x 115 mm) |
| Compression | 17:1 |
| Description | Fiat 8045.05 / diesel / 4-cylinder / liquid-cooled |
| Displacement | 238.5 ci (3.9 L) |
| Fuel system | direct injection |
| Power | 80 hp (59.7 kW) |
| Pre-heating | ether injection |
| Rated RPM | 2500 |
| Starter | electric |
| Starter volts | 12 |
| Drawbar (tested) | 60.77 hp (45.3 kW) |
| PTO (claimed) | 71 hp (52.9 kW) |
| PTO (tested) | 70.86 hp (52.8 kW) |
Transmission
| Clutch | 279.4mm dry disc |
|---|---|
| Description | Four gears (1-4) in three ranges (I-III) plus reverse range. |
| Gears | 12 forward and 4 reverse / 12 forward and reverse / 20 forward and 8 reverse |
| Type | synchromesh / mechanical shuttle / creeper |
| Transmission type | 12-speed synchromesh / 12-speed mechanical shuttle / 20-speed creeper |
| Transmission type | 12-speed synchromesh / 12-speed mechanical shuttle / 20-speed creeper |
Mechanical
| Cab | Four-post ROPS. Cab optional. |
|---|---|
| Description | Power steering / Differential hydraulic wet disc brakes |
| Differential lock | mechanical rear |
| Drive type | Two- or four-wheel drive |
| Final drives | planetary |
Hydraulics
| Pressure | 2702 psi (186.3 bar) |
|---|---|
| Pump flow | 11 gpm (41.6 lpm) |
| Rear valves | 2 or 3 |
| Type | open center |
Hitch
| Rear lift | 4898 lbs (2221 kg) |
|---|---|
| Rear Type | I/II |
PTO
| Engine RPM | 540@2198 |
|---|---|
| Rear PTO | independent |
| Rear PTO Type | 540 (1.375) |
Electrical
| Battery volts | 12 |
|---|---|
| Charging amps | 65 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| 2WD Front tread | 55.1 to 74.75 inches (139 to 189 cm) |
|---|---|
| 2WD Length | 134.75 inches (342 cm) |
| 2WD Wheelbase | 89.1 inches (226 cm) |
| 4WD Front tread | 64.25 to 77 inches (163 to 195 cm) |
| 4WD Length | 144 inches (365 cm) |
| 4WD Wheelbase | 89.5 inches (227 cm) |
| Rear tread | 55.1 to 82.75 inches (139 to 210 cm) |
| 2WD Wheelbase | 89.1 inches (226 cm) |
| 4WD Wheelbase | 89.5 inches (227 cm) |
| Front tire | 7.50-16 |
| Rear tire | 16.9-30 |
| Weight | 6930 to 7634 pounds |
| 2WD Ag front | 7.50-16 / 7.50-18 / 9.5L-15 |
| 4WD Ag front | 11.2-24 / 13.6-24 |
| Ag rear | 16.9-30 / 13.6-38 |
Hesston 80-90 Height
| 2WD Cab | 103.75 inches (263 cm) |
|---|---|
| 2WD Hood | 59.5 inches (151 cm) |
| 4WD Cab | 100.5 inches (255 cm) |
| 4WD Hood | 60 inches (152 cm) |
| ROPS | 102.5 inches (260 cm) |
Hesston 80-90 Weight
| 2WD | 6930 lbs (3143 kg) |
|---|---|
| 4WD | 7634 lbs (3462 kg) |
| Ballasted | 9,465 lbs (4293 kg) |
| Operating | 7,130 lbs (2WD) (3234 kg) |
Nebraska Tractor Test 1563
| Description | Diesel 12-speed 2WD 4, 22/1985 - May 7, 1985Link: Nebraska Tractor Test 1563 file / PTO performance / Drawbar performance |
|---|---|
| Fuel use | 4.1 gal/hour (15.5 l/hour) / 4.0 gal/hour (15.1 l/hour) / 4.1 gal/hour (15.5 l/hour) |
| Max power | 60.77 hp (45.3 kW) |
| Max pull | 7323 lbs (3321 kg) |
| Power at rated engine speed | 70.86 hp (52.8 kW) |
| Power at rated PTO speed | 69.25 hp (51.6 kW) |
References
| Description | 90 Series Tractors published in 1984, by Hesston |
|---|
Speeds
| Description | With 18.4-30 rear tires. / With 18.4-30 rear tires. |
|---|
Variants
| 80-90DT | 4WD |
|---|