Power
Power specifications| Engine | 80 hp unspecified |
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| PTO | 71 hp claimed |
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| PTO, tested | 70.9 hp |
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| Drawbar | 60.8 hp tested |
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| Listed power | 80 hp engine basis |
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Engines
Engines fitted to the Hesston 80-90| Fiat 3.9L 4-cyl dieselDiesel · 4 cyl | 238 ci |
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Engine details
- Fiat 3.9L 4-cyl diesel
- Bore × stroke
- 4.09 in × 4.53 in
- Rated speed
- 2,500 rpm
- Rated power
- 80 hp
- Compression
- 17:1
- Cooling
- liquid-cooled
Transmissions
Transmissions for the Hesston 80-90| 12-speed synchromeshsynchromesh | 12F / 4R |
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| 12-speed mechanical shuttlemechanical shuttle | 12F / 12R |
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| 20-speed creepercreeper | 20F / 8R |
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Transmission notes
12-speed synchromesh: Four gears (1-4) in three ranges (I-III) plus reverse range.
Weight
Weight specifications| Weight | 7,130 lb operating |
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| Ballasted | 9,465 lb |
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Dimensions
Dimensions specifications| Wheelbase | 89.1 in |
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| Length | 134.8 in |
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| Height | 102.5 in unspecified |
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| Rear tread, narrowest | 55.1 in |
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| Rear tread, widest | 82.8 in |
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Capacities
Capacities specifications| Fuel tank | 21.1 gal |
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Hydraulics
Hydraulics specifications| System | open center |
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| Pump flow | 11 gpm |
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| Pressure | 2,702 psi |
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| Rear valves | 2 or 3 |
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Hitch
Hitch specifications| Rear hitch category | I/II |
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| Rear lift capacity | 4,898 lb |
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PTO
PTO specifications| Rear PTO | independent |
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| Rear PTO speeds | 540 (1.375) |
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| Engine rpm at PTO speed | 540@2198 |
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Chassis
Chassis specifications| Drive | 2WD/4WD |
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| Steering | Power steering |
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| Brakes | Differential hydraulic wet disc brakes |
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| Differential lock | mechanical rear |
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| Final drives | planetary |
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| Cab | Four-post ROPS. Cab optional |
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Tires
Tires specifications| Front | 7.50-16 |
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| Rear | 16.9-30 |
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Electrical
Electrical specifications| System voltage | 12 V |
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| Charging | alternator |
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| Charging output | 65 A |
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| Ground | negative |
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Production
Production specifications| Price new | $35,000 (1990) |
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| Built by | Fiat |
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