Introduction
Fiat 85-90 Utility Tractor
The Fiat 85-90 is a utility tractor produced between 1989 and 1992, designed to meet the demands of general agricultural operations. Part of the Fiat 90 series, this model was engineered for versatility and durability in various field applications.
Engine and Performance
The tractor is powered by the Fiat 8045.25, a 3.9-liter, 4-cylinder turbocharged diesel engine. With a displacement of 238.5 cubic inches and direct injection, it produces 85 horsepower at a rated speed of 2500 RPM. The liquid-cooled unit features a 104 x 115 mm bore and stroke configuration, ensuring consistent performance during heavy-duty tasks.
Transmission and Drivetrain
The 85-90 offers several transmission configurations to suit operational requirements, ranging from a standard 12-forward and 4-reverse gear setup to options including a 12-speed shuttle, a 20-speed creeper, or a 24-speed Hi-Lo transmission with three ranges. The machine is available in both two-wheel and four-wheel drive variants, utilizing planetary final drives and hydraulic rear differential locks for improved traction.
Hydraulics and PTO
The hydraulic system operates at a pressure of 190.0 bar (2755 psi) with a pump flow capacity of 34.4 liters per minute (9.1 gpm). The independent rear PTO provides 540 and 1000 RPM speeds, engaged via a 280mm dry disc clutch. The rear hitch is a Category II/I type, capable of lifting up to 3499 kg (7716 lbs).
Dimensions and Operator Environment
The tractor features a wheelbase of 230 cm and an overall length of 365 cm. Its operational weight varies based on the drivetrain, with the 2WD model weighing 3150 kg and the 4WD model weighing 3480 kg. Operators are provided with a standard cab equipped with a heater for environmental control, and the machine utilizes power steering and hydraulic wet disc brakes for enhanced control.
Conclusion
The Fiat 85-90 stands as a robust utility tractor suited for a wide range of farming activities, offering a balance of mechanical simplicity and configurable power. Its diverse transmission options and substantial lift capacity make it a reliable choice for medium-scale agricultural operations.
Production Information of Fiat, 85-90
- Utility tractor
| Manufacturer | Fiat |
|---|
Dimension and Tires Information of Fiat, 85-90
| Wheelbase | 90.94 inches [230 cm] |
|---|---|
| 4WD Weight | 7672 lbs [3480 kg] |
| 2WD Weight | 6945 lbs [3150 kg] |
| Length | 144.09 inches [365 cm] |
| Height | 103.94 inches [264 cm] |
| 2WD Standard tires (ag) | Front: 9.00-16. Rear: 480/70R34 |
|---|---|
| 4WD Optional tires (ag) | Front: 12.4-24. Rear: 18.4-30 |
| 4WD Standard tires (ag) | Front: 380/70R24. Rear: 480/70R34 |
| 2WD Optional tires (ag) | Front: 7.50-18. Rear: 18.4-30 |
Engine Specifications of Fiat, 85-90
- Fiat 8045.25
- Liquid-cooled
- Turbocharged diesel
- 4-cylinder
| Power | 85 hp [63.4 kW] |
|---|---|
| Displacement | 238.5 ci [3.9 L] |
| Fuel system | Direct injection |
| Bore/Stroke | 4.09x4.53 inches [104 x 115 mm] |
| Starter type | Electric |
| Rated RPM | 2500 |
Transmission Information of Fiat, 85-90
Transmission variants 1
| Gears | 12 forward and 4 reverse |
|---|
Transmission variants 2
| Type | Shuttle |
|---|---|
| Gears | 12 forward and reverse |
Transmission variants 3
| Type | Creeper |
|---|---|
| Gears | 20 forward and 12 reverse |
Transmission variants 4
- Four gears (1-4) in three ranges (low, medium, high) with a two-speed high-low shift.
| Transmission | Hi-Lo |
|---|---|
| Gears | 24 forward and 12 reverse |
- 12-speed
- 24-speed
- 12-speed shuttle
- 20-speed creeper
Mechanical Specs of Fiat, 85-90
- 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, 85-90
| 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, 85-90
| Pressure | 2755 psi [190.0 bar] |
|---|---|
| Pump flow | 9.1 gpm [34.4 lpm] |
Three-Point Hitch of Fiat, 85-90
| Rear Type | II/I |
|---|---|
| Rear lift | 7716 lbs [3499 kg] |
Where it sits
With 85 HP, the Fiat 85-90 sits just above 80-90 (80 HP) in Fiat's range. Its power puts it in the 64th percentile of 1980s models in our database (2052 machines).
Frequently asked questions
How much horsepower does the Fiat 85-90 have?
The Fiat 85-90 delivers 85 HP.
What years was the Fiat 85-90 produced?
The Fiat 85-90 was produced in 1989-1992.
What engine does the Fiat 85-90 have?
The Fiat 85-90 is powered by a Turbocharged diesel, 4-cylinder engine.
How much does the Fiat 85-90 weigh?
The Fiat 85-90 weighs 7672 lbs [3480 kg].
Is the Fiat 85-90 4WD?
The Fiat 85-90 is available in 2WD/4WD.
