Introduction
Fiat 640 utility tractor
The Fiat 640 is a utility tractor produced by Fiat in Modena, Italy, between 1973 and 1978. It was designed as a versatile machine for general agricultural operations, available in both two-wheel and four-wheel drive configurations.
Engine and Performance
The tractor is powered by the liquid-cooled Fiat 8045-02 diesel engine. This 4-cylinder unit features direct injection with a displacement of 210.89 cubic inches (3.5 L). It produces 64 hp (47.7 kW) at a rated engine speed of 2400 RPM, with a peak torque of 156.4 lb-ft (212.1 Nm) achieved at 1600 RPM. The compression ratio is 17:1.
Transmission and Hydraulics
The powertrain includes a gear-type transmission providing 8 forward and 2 reverse gears, organized in two ranges. An optional creeper range was available for specialized low-speed tasks. The hydraulic system delivers a pump flow of 5.8 gpm (22.0 lpm), supporting the rear Category II/I hitch, which has a lifting capacity of 4079 lbs (1850 kg) at the ends.
Mechanical and Dimensions
The operator interface features manual steering and a four-post Roll-Over Protective Structure (ROPS). The 2WD model weighs 4961 lbs (2250 kg) with a 81.5-inch (207 cm) wheelbase, while the 4WD version weighs 6174 lbs (2800 kg) with an 83.9-inch (213 cm) wheelbase. Rear PTO operates at a standard 540 RPM, engaged at 1970 engine RPM.
Conclusion
The Fiat 640 serves as a reliable utility tractor suitable for a wide range of standard field applications and implement handling. Its mechanical simplicity, combined with the option for four-wheel drive, allows it to adapt to various terrain conditions and operational requirements.
Production Information of Fiat, 640
- Utility tractor
- Built in Moderna, Italy
| Manufacturer | Fiat |
|---|
Dimension and Tires Information of Fiat, 640
| Front tread | 52 to 79.3 inches [132 to 201 cm] |
|---|---|
| 2WD Wheelbase | 81.5 inches [207 cm] |
| 2WD Weight | 4961 lbs [2250 kg] |
| 4WD Length | 132.3 inches [336 cm] |
| 4WD Wheelbase | 83.9 inches [213 cm] |
| Rear tread | 51.2 to 78.7 inches [130 to 199 cm] |
| 4WD Weight | 6174 lbs [2800 kg] |
| 2WD Length | 125 inches [317 cm] |
| 2WD Standard tires (ag) | Front: 7.50-16. Rear: 14-30 |
|---|---|
| 4WD Standard tires (ag) | Front: 9.5x24. Rear: 16.9-30 |
Engine Specifications of Fiat, 640
- Fiat 8045-02
- Liquid-cooled
- 4-cylinder
- Diesel
| Fuel system | Direct injection |
|---|---|
| Torque | 156.4 lb-ft [212.1 Nm] |
| Displacement | 210.89 ci [3.5 L] |
| Bore/Stroke | 3.94x4.33 inches [100 x 110 mm] |
| Power | 64 hp [47.7 kW] |
| Rated RPM | 2400 |
| Compression | 17:1 |
| Starter volts | 12 |
| Starter | Electric |
| Torque RPM | 1600 |
Transmission Information of Fiat, 640
Transmission variants 1
- Four gears, plus reverse, in two ranges. Optional additional creeper range.
| Type | Gear |
|---|---|
| Gears | 8 forward and 2 reverse |
Mechanical Specs of Fiat, 640
- Two- or four-wheel drive
- Manual steering
- Four-post ROPS.
Power Information of Fiat, 640
| Rear PTO Type | 540 |
|---|---|
| Engine RPM | 540@1970 |
Hydraulics Specifications of Fiat, 640
| Pump flow | 5.8 gpm [22.0 lpm] |
|---|
Three-Point Hitch of Fiat, 640
| Rear Type | II/I |
|---|---|
| Rear lift (at ends) | 4079 lbs [1850 kg] |
Where it sits
With 64 HP, the Fiat 640 sits between 62-85 (60 HP) and 650 (65 HP) in Fiat's range. Its power puts it in the 45th percentile of 1970s models in our database (1259 machines).
Frequently asked questions
How much horsepower does the Fiat 640 have?
The Fiat 640 delivers 64 HP.
What years was the Fiat 640 produced?
The Fiat 640 was produced in 1973-1978.
What engine does the Fiat 640 have?
The Fiat 640 is powered by a Diesel, 4-cylinder engine.
What transmission does the Fiat 640 use?
The Fiat 640 uses a Gear transmission.
How much does the Fiat 640 weigh?
The Fiat 640 weighs 4961 lbs [2250 kg].
Is the Fiat 640 4WD?
The Fiat 640 is available in 2WD/4WD.