Introduction
Fiat 80-66S Utility Tractor
The Fiat 80-66S is a utility tractor produced between 1992 and 1996, belonging to the 70-66S series. Designed for general agricultural tasks, it features a robust chassis and flexible drivetrain configurations suitable for various farming applications.
Engine and Performance
The tractor is powered by an Iveco 8045.06 four-cylinder diesel engine with a displacement of 3.6 liters. This liquid-cooled unit produces 78 horsepower (58.8 kW) at a rated speed of 2500 RPM. The bore and stroke measure 100 x 115 mm, providing reliable power for field operations.
Transmission and Drivetrain
The 80-66S offers significant operational versatility through three transmission options: a standard 12-speed gear transmission, a 12-speed sync shuttle, or a 20-speed creeper transmission. Users can choose between two-wheel drive or four-wheel drive configurations, complemented by power steering for improved maneuverability and wet disc brakes for consistent stopping performance.
Hydraulics and PTO
The rear power take-off (PTO) is rated at 540 RPM as standard, with optional configurations for 540/750 RPM or 540/1000 RPM to accommodate various implements. The rear hitch provides a lift capacity of 7,859 lbs (3,564 kg), ensuring compatibility with heavy-duty attachments.
Dimensions and Operator Environment
The tractor is built with a four-post ROPS structure as standard, with an optional cab available. The 4WD model has a wheelbase of 88.5 inches (224 cm) and a ground clearance of 17.3 inches (43 cm), with an operating weight of 6,526 lbs (2,960 kg). The 2WD variant features a slightly longer wheelbase of 90.8 inches (230 cm) and a lower weight of 5,798 lbs (2,629 kg).
Conclusion
The Fiat 80-66S is a balanced utility tractor that combines a proven Iveco engine with adaptable transmission choices and solid lifting capabilities. It remains a reliable option for farmers seeking a versatile, mid-range tractor for diverse agricultural duties.
Fiat 80-66S Manuals & Documentation
Download the manuals and documentation available for the Fiat 80-66S: repair and workshop manuals, operator's handbooks, spare-parts catalogs and technical leaflets — free PDF files.
Archive documentation provided for reference, hosted by Tractor-Info.
Production Information of Fiat, 80-66S
- Utility tractor
| Manufacturer | Fiat |
|---|
Dimension and Tires Information of Fiat, 80-66S
| Rear tread | 55.1 to 78.7 inches [139 to 199 cm] |
|---|---|
| 2WD Wheelbase | 90.8 inches [230 cm] |
| 2WD ROPS Weight | 5798 lbs [2629 kg] |
| 4WD Length | 137.3 inches [348 cm] |
| 4WD Wheelbase | 88.5 inches [224 cm] |
| 4WD Ground clearance | 17.3 inches [43 cm] |
| 4WD ROPS Weight | 6526 lbs [2960 kg] |
| 2WD Length | 138.2 inches [351 cm] |
| 4WD Front tread | 61.4 to 78.8 inches [155 to 200 cm] |
| 2WD Front tread | 55.3 to 75 inches [140 to 190 cm] |
| 2WD Ground clearance | 20.7 inches [52 cm] |
| 2WD Standard tires (ag) | Front: 7.50-18. Rear: 13.6/12-38 |
|---|---|
| 4WD Standard tires (ag) | Front: 11.2/10-28. Rear: 13.6/12-38 |
Engine Specifications of Fiat, 80-66S
- Iveco 8045.06
- Liquid-cooled
- Diesel
- 4-cylinder
| Power | 78.9 hp [58.8 kW] |
|---|---|
| Displacement | 220.5 ci [3.6 L] |
| Rated RPM | 2500 |
| Bore/Stroke | 3.94x4.53 inches [100 x 115 mm] |
| Starter volts | 12 |
| Starter | Electric |
Transmission Information of Fiat, 80-66S
Transmission variants 1
| Type | Gear |
|---|---|
| Gears | 12 forward and 4 reverse |
Transmission variants 2
| Type | Sync shuttle |
|---|---|
| Gears | 12 forward and reverse |
Transmission variants 3
| Type | Creeper |
|---|---|
| Gears | 20 forward and 12 reverse |
- 12-speed gear
- 12-speed sync shuttle
- 20-speed creeper
Mechanical Specs of Fiat, 80-66S
- Two- or four-wheel drive
- Four-post ROPS. Cab optional.
- Power steering
- Wet disc brakes
Power Information of Fiat, 80-66S
| Rear PTO Type | 540 (1.375) |
|---|---|
| Rear PTO Type(optional) | 540/750 |
| Rear PTO Type(optional) | 540/1000 |
Three-Point Hitch of Fiat, 80-66S
| Rear lift | 7859 lbs [3564 kg] |
|---|
Electrical System of Fiat, 80-66S
| Ground | Negative |
|---|---|
| Battery volts | 12 |
Where it sits
With 78 HP, the Fiat 80-66S sits just above 70-66S (69 HP) in Fiat's range. Its power puts it in the 53th percentile of 1990s models in our database (2097 machines).
Frequently asked questions
How much horsepower does the Fiat 80-66S have?
The Fiat 80-66S delivers 78 HP.
What years was the Fiat 80-66S produced?
The Fiat 80-66S was produced in 1992-1996.
What engine does the Fiat 80-66S have?
The Fiat 80-66S is powered by a Diesel, 4-cylinder engine.
What transmission does the Fiat 80-66S use?
The Fiat 80-66S uses a Gear transmission.
How much does the Fiat 80-66S weigh?
The Fiat 80-66S weighs 5798 lbs [2629 kg].
Is the Fiat 80-66S 4WD?
The Fiat 80-66S is available in 2WD/4WD.