Introduction
Fiat 680 Tractor
The Fiat 680 is a utility tractor from the 580 series, produced between 1978 and 1984. Designed for general agricultural tasks, this model was offered in both two-wheel and four-wheel drive configurations.
Engine and Performance
The tractor is powered by a 3.5-liter, 4-cylinder liquid-cooled diesel engine, which delivers 68 horsepower at a rated speed of 2500 RPM. It features a compression ratio of 17:1 and a displacement of 210.9 cubic inches. The electrical system utilizes a 12-volt starter and a 33-amp charging system.
Transmission and Drivetrain
The Fiat 680 offers multiple transmission configurations to suit various operational requirements, including a partially synchronized 8-speed, a 12-speed, an 8-speed mechanical shuttle, and a 16-speed creeper option. Steering is power-assisted, and the machine is equipped with hydraulic wet disc brakes for reliable stopping power.
Hydraulics and PTO
The hydraulic system provides a pump flow of 8.9 gallons per minute (33.7 lpm). The rear hitch is a Category II type with a lift capacity of 5,292 lbs (2400 kg). The independent rear PTO is capable of operating at 540 RPM at an engine speed of 2230 RPM and 1000 RPM at 2410 RPM.
Dimensions and Weight
The 2WD version features a 90-inch wheelbase and a base weight of 5,513 lbs, while the 4WD version has an 89.6-inch wheelbase and a weight of 6,174 lbs. Various tire combinations are available to accommodate different soil conditions and track width adjustments, with rear tread settings ranging from 55.1 to 78.7 inches.
Conclusion
With its flexible transmission options and robust hydraulic capacity, the Fiat 680 is a versatile mid-range tractor suitable for a wide variety of field operations and light-to-medium duty agricultural tasks.
Production Information of Fiat, 680
- Original price was $22,000 in 1984
| Manufacturer | Fiat |
|---|
Dimension and Tires Information of Fiat, 680
| Rear tread | 55.1 to 78.7 inches [139 to 199 cm] |
|---|---|
| 2WD Wheelbase | 90 inches [228 cm] |
| 2WD Weight | 5513 lbs [2500 kg] |
| 4WD Length | 144.1 inches [366 cm] |
| 4WD Wheelbase | 89.6 inches [227 cm] |
| 4WD Clearance (front axle) | 18.1 inches [45 cm] |
| 4WD Weight | 6174 lbs [2800 kg] |
| 2WD Length | 138.1 inches [350 cm] |
| 4WD Front tread | 60.2 to 77 inches [152 to 195 cm] |
| 2WD Front tread | 55.1 to 74.8 inches [139 to 189 cm] |
| 2WD Clearance (front axle) | 20.1 inches [51 cm] |
| 2WD Standard tires (ag) | Front: 7.50-18. Rear: 13.6/12-38 |
|---|---|
| 2WD Standard tires (ag)(optional) | Front: 11.2/10-24. Rear: 16.9/14-30 |
| 4WD Standard tires (ag) | Front: 11.2/10-28. Rear: 13.6/12-38 |
| Optional tires (ag) | Front: 12.4/11-24. Rear: 13.6/12-36 |
Engine Specifications of Fiat, 680
- Fiat
- Liquid-cooled
- Diesel
- 4-cylinder
| Starter volts | 12 |
|---|---|
| Displacement | 210.9 ci [3.5 L] |
| Compression | 17:1 |
| Bore/Stroke | 3.93x4.33 inches [100 x 110 mm] |
| Firing order | 1-3-4-2 |
| Rated RPM | 2500 |
| Power | 68 hp [50.7 kW] |
Transmission Information of Fiat, 680
Transmission variants 1
- Four gears (1-4) plus reverse (R) in two ranges (low/high).
| Type | Partially synchronized |
|---|---|
| Gears | 8 forward and 2 reverse |
Transmission variants 2
- Four gears (1-4) plus reverse (R) in three ranges (low/intermediate/high).
| Gears | 12 forward and 3 reverse |
|---|
Transmission variants 3
- Four gears (1-4) in two ranges (low/high) with shuttle shift. Reverse speeds are 10% slower than forward.
| Type | Mechanical shuttle |
|---|---|
| Gears | 8 forward and reverse |
Transmission variants 4
- Four gears (1-4) plus reverse (R) in four ranges (creeper/low/intermediate/high).
| Type | Creeper |
|---|---|
| Gears | 16 forward and 4 reverse |
- 8-speed partially synchronized
- 16-speed creeper
- 12-speed
- 8-speed mechanical shuttle
Mechanical Specs of Fiat, 680
- Two- or four-wheel drive
- Four-post ROPS. Cab optional with available air-conditioning.
- Power steering
- Hydraulic wet disc brakes
Power Information of Fiat, 680
| Rear PTO | Independent |
|---|---|
| Rear PTO(optional) | 1000@2410 |
| Rear PTO Type | 540/1000 (1.375) |
| Engine RPM | 540@2230 |
Hydraulics Specifications of Fiat, 680
| Pump flow | 8.9 gpm [33.7 lpm] |
|---|
Three-Point Hitch of Fiat, 680
| Rear Type | II |
|---|---|
| Rear lift | 5,292 lbs [2400 kg] |
Electrical System of Fiat, 680
| Ground | Negative |
|---|---|
| Battery volts | 12 |
| Charging system | Alternator |
| Charging amps | 33 |
Where it sits
With 68 HP, the Fiat 680 sits just above 580 (57 HP) in Fiat's range. Its power puts it in the 49th percentile of 1970s models in our database (1259 machines).
Frequently asked questions
How much horsepower does the Fiat 680 have?
The Fiat 680 delivers 68 HP.
What years was the Fiat 680 produced?
The Fiat 680 was produced in 1978-1984.
What engine does the Fiat 680 have?
The Fiat 680 is powered by a Diesel, 4-cylinder engine.
What transmission does the Fiat 680 use?
The Fiat 680 uses a Partially synchronized transmission.
How much does the Fiat 680 weigh?
The Fiat 680 weighs 5513 lbs [2500 kg].
Is the Fiat 680 4WD?
The Fiat 680 is available in 2WD/4WD.