Introduction
Fiat 80-90 Utility Tractor
The Fiat 80-90 is a utility tractor belonging to the 70-90 series, manufactured in 1990. Designed for versatile agricultural operations, it combines a reliable four-cylinder diesel engine with multiple transmission configurations to suit various field requirements.
Engine and Performance
The tractor is powered by the Fiat 8045.05 liquid-cooled diesel engine. This 3.9-liter, four-cylinder unit features direct injection and generates 80 horsepower (59.7 kW) at a rated speed of 2500 RPM. The engine design incorporates a 17:1 compression ratio and an ether injection system to assist with cold starting.
Transmission and Drivetrain
The 80-90 offers flexibility through three transmission options: a 12-speed synchromesh, a 12-speed mechanical shuttle, or a 20-speed creeper transmission. All models utilize a 279.4 mm dry disc clutch. The tractor is available in either two-wheel or four-wheel drive configurations, featuring planetary final drives and a mechanical rear differential lock for improved traction.
Hydraulics and PTO
Equipped with an open-center hydraulic system, the tractor provides a pump flow of 11 gpm (41.6 lpm) at a pressure of 2702 psi (186.3 bar), supporting two or three rear valves. The independent rear PTO operates at 540 RPM, engaged at an engine speed of 2198 RPM. The rear hitch, categorized as I/II, offers a lift capacity of 4898 lbs (2221 kg).
Operator Environment and Mechanicals
The operator station features power steering and differential hydraulic wet disc brakes for precise control. The standard configuration includes a four-post ROPS structure, with a cabin available as an optional upgrade. The electrical system is powered by a 12-volt battery and a 65-amp alternator.
Conclusion
The Fiat 80-90 is a robust utility tractor suited for a wide range of agricultural tasks. Its combination of mechanical simplicity, multiple transmission choices, and adequate hydraulic capacity makes it a functional machine for general farming operations.
Production Information of Fiat-Hesston, 80-90
- Original price was $35,000 in 1990
- Utility tractor
| Distributor | Hesston |
|---|---|
| Manufacturer | Fiat |
Dimension and Tires Information of Fiat-Hesston, 80-90
| Rear tread | 55.1 to 82.75 inches [139 to 210 cm] |
|---|---|
| 2WD Wheelbase | 89.1 inches [226 cm] |
| 2WD Front tread | 55.1 to 74.75 inches [139 to 189 cm] |
| 4WD Length | 144 inches [365 cm] |
| 4WD Wheelbase | 89.5 inches [227 cm] |
| 4WD Front tread | 64.25 to 77 inches [163 to 195 cm] |
| 2WD Length | 134.75 inches [342 cm] |
| Ag rear | 13.6-38 |
|---|---|
| 2WD Ag front | 7.50-16 |
| 2WD Ag front | 9.5L-15 |
| 2WD Ag front | 7.50-18 |
| 4WD Ag front | 11.2-24 |
| 4WD Ag front(optional) | 16.9-34 |
| 4WD Ag front | 13.6-24 |
| Ag rear | 16.9-30 |
Engine Specifications of Fiat-Hesston, 80-90
- Fiat 8045.05
- Liquid-cooled
- Diesel
- 4-cylinder
| Rated RPM | 2500 |
|---|---|
| Displacement | 238.5 ci [3.9 L] |
| Fuel system | Direct injection |
| Bore/Stroke | 4.094x4.527 inches [104 x 115 mm] |
| Starter volts | 12 |
| Starter | Electric |
| Compression | 17:1 |
| Pre-heating | Ether injection |
| Power | 80 hp [59.7 kW] |
Transmission Information of Fiat-Hesston, 80-90
Transmission variants 1
- Four gears (1-4) in three ranges (I-III) plus reverse range.
| Type | Synchromesh |
|---|---|
| Gears | 12 forward and 4 reverse |
| Clutch | 279.4mm dry disc |
Transmission variants 2
| Type | Mechanical shuttle |
|---|---|
| Gears | 12 forward and reverse |
Transmission variants 3
| Type | Creeper |
|---|---|
| Gears | 20 forward and 8 reverse |
- 12-speed synchromesh
- 12-speed mechanical shuttle
- 20-speed creeper
Mechanical Specs of Fiat-Hesston, 80-90
- Two- or four-wheel drive
- Differential hydraulic wet disc brakes
- Power steering
- Four-post ROPS. Cab optional.
| Final drives | Planetary |
|---|---|
| Differential lock | Mechanical rear |
Power Information of Fiat-Hesston, 80-90
| Rear PTO | Independent |
|---|---|
| Rear PTO Type | 540 (1.375) |
| Engine RPM | 540@2198 |
Hydraulics Specifications of Fiat-Hesston, 80-90
| Type | Open center |
|---|---|
| Pump flow | 11 gpm [41.6 lpm] |
| Pressure | 2702 psi [186.3 bar] |
| Rear valves | 2 or 3 |
Three-Point Hitch of Fiat-Hesston, 80-90
| Rear Type | I/II |
|---|---|
| Rear lift | 4898 lbs [2221 kg] |
Electrical System of Fiat-Hesston, 80-90
| Ground | Negative |
|---|---|
| Battery volts | 12 |
| Charging system | Alternator |
| Charging amps | 65 |
Where it sits
With 80 HP, the Fiat-Hesston 80-90 sits just above 70-90 (70 HP) in Fiat-Hesston's range. Its power puts it in the 56th percentile of 1990s models in our database (2097 machines).
Frequently asked questions
How much horsepower does the Fiat-Hesston 80-90 have?
The Fiat-Hesston 80-90 delivers 80 HP.
What years was the Fiat-Hesston 80-90 produced?
The Fiat-Hesston 80-90 was produced in 1990.
What engine does the Fiat-Hesston 80-90 have?
The Fiat-Hesston 80-90 is powered by a Diesel, 4-cylinder engine.
What transmission does the Fiat-Hesston 80-90 use?
The Fiat-Hesston 80-90 uses a Synchromesh transmission.
Is the Fiat-Hesston 80-90 4WD?
The Fiat-Hesston 80-90 is available in 2WD/4WD.