Introduction
Fiat 450: A technical overview of the classic utility tractor
Produced by Fiat between 1968 and 1981, the Fiat 450 is a utility tractor designed for general agricultural tasks. It is built around a 3-cylinder diesel engine and was offered in both two-wheel and four-wheel drive configurations.
Engine and Performance
The tractor is powered by the Fiat 8035, a 3-cylinder liquid-cooled diesel engine with a displacement of 2.3 liters. It produces 45 hp (33.6 kW) at a rated speed of 2400 RPM. The engine generates a maximum torque of 115 lb-ft (155.9 Nm) at 1400 RPM, providing consistent pulling power for field work.
Transmission and Drivetrain
The Fiat 450 offers three transmission configurations to suit operational needs: a standard 8-forward and 2-reverse gear setup, a 9-forward and 3-reverse partially synchronized transmission, and an optional 12-forward and 3-reverse creeper transmission for low-speed tasks. Power is delivered to the wheels through a mechanical rear differential lock.
Hydraulics and Hitch
The hydraulic system utilizes an open-center design with a pump flow of 5.76 gpm (21.8 lpm) and an operating pressure of 2135 psi (147.2 bar). The rear hitch is a Category II/I type, featuring both position and draft control, and is capable of lifting 3086 lbs (1399 kg) at the ends.
Dimensions and Operator Station
The tractor features an open operator station, with an optional cab available for enhanced protection. The 2WD model weighs approximately 3880 lbs (1759 kg), while the 4WD version weighs 4840 lbs (2195 kg). Adjustable wheel treads allow the machine to adapt to various row crop requirements.
Conclusion
The Fiat 450 serves as a versatile, mid-range utility tractor. Its combination of multiple transmission options, hydraulic control systems, and available four-wheel drive makes it suitable for a variety of agricultural operations requiring moderate power and high maneuverability.
Production Information of Fiat, 450
| Manufacturer | Fiat |
|---|
Dimension and Tires Information of Fiat, 450
| 2WD Front tread | 50/54/58/62/66/70/74 inches [127/137/147/157/167/177/187 cm] |
|---|---|
| Wheelbase | 77 inches [195 cm] |
| 2WD Clearance (front axle) | 18.25 inches [46 cm] |
| 4WD Weight | 4840 lbs [2195 kg] |
| Length | 123.6 inches [313 cm] |
| 4WD Front tread | 56.25 inches [142 cm] |
| 4WD Clearance (front axle) | 11.25 inches [28 cm] |
| 2WD Weight | 3880 lbs [1759 kg] |
| Rear tread | 52/56/60/64/68/72/76 inches [132/142/152/162/172/182/193 cm] |
| 2WD Standard tires (ag) | Front: 6.00-16. Rear: 12.4/11-28 |
|---|---|
| 4WD Standard tires (ag) | Front: 7.50-20. Rear: 12.4/11-28 |
Engine Specifications of Fiat, 450
- Fiat 8035
- Liquid-cooled
- Diesel
- 3-cylinder
| Torque RPM | 1400 |
|---|---|
| Displacement | 142.8 ci [2.3 L] |
| Compression | 17:1 |
| Bore/Stroke | 3.74x4.33 inches [95 x 110 mm] |
| Starter power | 4 hp [3.0 kW] |
| Starter volts | 12 |
| Torque | 115 lb-ft [155.9 Nm] |
| Rated RPM | 2400 |
| Power | 45 hp [33.6 kW] |
Transmission Information of Fiat, 450
Transmission variants 1
- Four gears (1-4), plus reverse (R), in two ranges (low/high).
| Type | Gear |
|---|---|
| Gears | 8 forward and 2 reverse |
Transmission variants 2
- Gear parts 2/3, 5/6, and 8/9 are synchronized.
| Type | Partically synchronized |
|---|---|
| Gears | 9 forward and 3 reverse |
| Clutch | 254mm dry disc |
Transmission variants 3
- Optional creeper for the 8-speed transmission add an additional lower range.
| Type | Creeper |
|---|---|
| Gears | 12 forward and 3 reverse |
- 8-speed gear
- 9-speed partically synchronized
- 12-speed creeper
Mechanical Specs of Fiat, 450
- Two- or four-wheel drive
- Mechanical band brakes
- Open operator station. Cab optional.
| Steering(optional) | Power |
|---|---|
| Differential lock | Mechanical rear |
| Steering | Manual |
Power Information of Fiat, 450
| Rear PTO | Live |
|---|---|
| Rear PTO Type | 540 (1.375) |
| Engine RPM | 540@1970 |
Hydraulics Specifications of Fiat, 450
| Type | Open center |
|---|---|
| Pressure | 2135 psi [147.2 bar] |
| Pump flow | 5.76 gpm [21.8 lpm] |
Three-Point Hitch of Fiat, 450
| Rear Type | II/I |
|---|---|
| Control | Position and draft control |
| Rear lift (at ends) | 3086 lbs [1399 kg] |
Electrical System of Fiat, 450
| Ground | Negative |
|---|---|
| Charging system | Alternator |
| Battery volts | 12 |
Where it sits
With 45 HP, the Fiat 450 sits between 45-76 (44 HP) and 455C (47 HP) in Fiat's range. Its power puts it in the 44th percentile of 1960s models in our database (709 machines).
Frequently asked questions
How much horsepower does the Fiat 450 have?
The Fiat 450 delivers 45 HP.
What years was the Fiat 450 produced?
The Fiat 450 was produced in 1968-1981.
What engine does the Fiat 450 have?
The Fiat 450 is powered by a Diesel, 3-cylinder engine.
What transmission does the Fiat 450 use?
The Fiat 450 uses a Gear transmission.
How much does the Fiat 450 weigh?
The Fiat 450 weighs 4840 lbs [2195 kg].
Is the Fiat 450 4WD?
The Fiat 450 is available in 2WD/4WD.