Introduction
Fiat 55-90 Utility Tractor
The Fiat 55-90 is a utility tractor produced between 1984 and 1992 as part of the manufacturer's 60-90 series. Designed for general agricultural applications, this machine is available in both two-wheel and four-wheel drive configurations.
Engine and Performance
The tractor is powered by the Fiat 8035.06, a liquid-cooled, 3-cylinder diesel engine with a displacement of 165.4 cubic inches (2.7 liters). It produces 55 horsepower (41.0 kW) at a rated speed of 2500 RPM. The engine intake is protected by an oil bath air cleaner, and it utilizes an electric starter system.
Transmission and Driveline
Power is delivered through a 280mm dry disc clutch. The transmission options include a standard 12-forward and 4-reverse gear arrangement, a 12-speed shuttle transmission for efficient directional changes, or a 20-speed creeper transmission. The final drives are of the planetary type.
Hydraulics and Hitch
The hydraulic system features a pump flow rate of 8.9 gpm (33.7 lpm). The tractor is equipped with a Category II/I rear hitch, capable of a lift capacity of 6393 lbs (2899 kg). The rear PTO is independent and offers speeds of 540 RPM or a dual 540/1000 RPM configuration.
Dimensions and Operator Environment
The 55-90 comes standard with a cab equipped with a heater. Maneuverability is supported by power steering and hydraulic wet disc brakes. The 2WD model weighs 6526 lbs (2960 kg) with a 87.8-inch wheelbase, while the 4WD version weighs 6923 lbs (3140 kg) with an 86.6-inch wheelbase.
Conclusion
The Fiat 55-90 is a versatile utility tractor suited for a variety of farming operations, offering a balance of mechanical simplicity and performance through its diverse transmission options and robust hydraulic lift capacity.
Production Information of Fiat, 55-90
- Utility tractor
| Manufacturer | Fiat |
|---|
Dimension and Tires Information of Fiat, 55-90
| 4WD Weight | 6923 lbs [3140 kg] |
|---|---|
| 2WD Wheelbase | 87.8 inches [223 cm] |
| 4WD Height (cab) | 99.6 inches [252 cm] |
| 2WD Height (cab) | 98.4 inches [249 cm] |
| 4WD Wheelbase | 86.6 inches [219 cm] |
| 2WD Front tread | 55.1 to 74.8 inches [139 to 189 cm] |
| 2WD Weight | 6526 lbs [2960 kg] |
| Length | 132.3 inches [336 cm] |
| Rear tread | 59.1 to 78.7 inches [150 to 199 cm] |
| 4WD Front tread | 61 to 74 inches [154 to 187 cm] |
| 2WD Standard tires (ag) | Front: 7.50-16. Rear: 16.9-28 |
|---|---|
| 4WD Optional tires (ag) | Front: 11.2-24. Rear: 12.4-36 |
| 4WD Standard tires (ag) | Front: 12.4-20. Rear: 16.9-28 |
| 2WD Optional tires (ag) | Front: 7.50-16. Rear: 12.4-36 |
Engine Specifications of Fiat, 55-90
- Fiat 8035.06
- Liquid-cooled
- Diesel
- 3-cylinder
| Power | 55 hp [41.0 kW] |
|---|---|
| Displacement | 165.4 ci [2.7 L] |
| Air cleaner | Oil bath |
| Bore/Stroke | 3.94x4.53 inches [100 x 115 mm] |
| Starter type | Electric |
| Rated RPM | 2500 |
Transmission Information of Fiat, 55-90
Transmission variants 1
- Four gears (1-4) in three ranges (low, medium, high) plus reverse range.
| Gears | 12 forward and 4 reverse |
|---|---|
| Clutch | 280mm dry disc |
Transmission variants 2
- Four gears (1-4) in three ranges (low, medium, high) with left-hand shuttle.
| Type | Shuttle |
|---|---|
| Gears | 12 forward and reverse |
| Clutch | 280mm dry disc |
Transmission variants 3
- Additional two forward and one reverse creeper ranges added to the basic transmission.
| Type | Creeper |
|---|---|
| Gears | 20 forward and 8 reverse |
| Clutch | 280mm dry disc |
- 12-speed
- 12-speed shuttle
- 20-speed creeper
Mechanical Specs of Fiat, 55-90
- Two- or four-wheel drive
- Hydraulic wet disc brakes
- Power steering
- Cab standard with heater.
| Final drives | Planetary |
|---|---|
| Differential lock | Hydraulic rear |
Power Information of Fiat, 55-90
| Rear PTO | Independent |
|---|---|
| Engine RPM | 540@2200 |
| Engine RPM(optional) | 540/1000 |
| Clutch | 280mm dry disc |
| Clutch(optional) | 1000@2375 |
| Rear PTO Type | 540 |
Hydraulics Specifications of Fiat, 55-90
| Pump flow | 8.9 gpm [33.7 lpm] |
|---|
Three-Point Hitch of Fiat, 55-90
| Rear Type | II/I |
|---|---|
| Rear lift | 6393 lbs [2899 kg] |
Where it sits
With 55 HP, the Fiat 55-90 sits just below 60-90 (60 HP) in Fiat's range. Its power puts it in the 39th percentile of 1980s models in our database (2052 machines).
Frequently asked questions
How much horsepower does the Fiat 55-90 have?
The Fiat 55-90 delivers 55 HP.
What years was the Fiat 55-90 produced?
The Fiat 55-90 was produced in 1984-1992.
What engine does the Fiat 55-90 have?
The Fiat 55-90 is powered by a Diesel, 3-cylinder engine.
How much does the Fiat 55-90 weigh?
The Fiat 55-90 weighs 6923 lbs [3140 kg].
Is the Fiat 55-90 4WD?
The Fiat 55-90 is available in 2WD/4WD.
