Introduction
Fiat 750S Utility Tractor
The Fiat 750S is a utility tractor produced between 1971 and 1975. Designed for versatility in agricultural operations, this model was available in both two-wheel and four-wheel drive configurations, serving as a reliable machine for various field tasks during its production period.
Engine and Performance
The tractor is powered by the Fiat CO 3/70 engine, a liquid-cooled, four-cylinder diesel unit. It features a displacement of 4.6 liters (278.37 cubic inches) and utilizes direct injection to deliver 80 horsepower (59.7 kW) at a rated speed of 2100 RPM. The engine design incorporates a compression ratio of 157:1.
Transmission and Drivetrain
The drivetrain offers two transmission configurations: a standard 7-speed partially synchronized gearbox with 2 reverse gears, or a 14-speed creeper transmission providing 14 forward and 4 reverse gears. The tractor utilizes spur gear final drives and is equipped with a mechanical rear differential lock to enhance traction in difficult ground conditions.
Hydraulics and PTO
The hydraulic system is of the open-center type, providing a pump flow of 7.2 gpm (27.3 lpm). The rear hitch is a Category II system equipped with both position and draft control, capable of a lift capacity of 4400 lbs (1995 kg). The independent rear PTO offers dual speeds of 540 RPM at 1830 engine RPM and 1000 RPM at 1973 engine RPM.
Dimensions and Operator Station
The 750S features an open operator station design. The two-wheel drive version has a wheelbase of 90.5 inches (229 cm) and a weight of 6724 lbs (3050 kg), while the four-wheel drive model has a longer wheelbase of 99 inches (251 cm) and weighs 7429 lbs (3369 kg). Power steering is available as an optional feature to assist with maneuverability.
Conclusion
The Fiat 750S is a robust utility tractor suited for general agricultural applications. Its combination of a high-torque 80 hp diesel engine, flexible transmission options, and standard three-point hitch functionality makes it a practical choice for farmers requiring a dependable machine for daily field work and implement operation.
Production Information of Fiat, 750S
- Utility tractor
| Manufacturer | Fiat |
|---|
Dimension and Tires Information of Fiat, 750S
| Ground clearance | 20.1 inches [51 cm] |
|---|---|
| 2WD Wheelbase | 90.5 inches [229 cm] |
| 2WD Weight | 6724 lbs [3050 kg] |
| 4WD Length | 150.2 inches [381 cm] |
| 4WD Wheelbase | 99 inches [251 cm] |
| 2WD Front tread | 57 to 76.7 inches [144 to 194 cm] |
| 4WD Weight | 7429 lbs [3369 kg] |
| 2WD Length | 136.7 inches [347 cm] |
| Rear tread | 51.3 to 82.8 inches [130 to 210 cm] |
| 4WD Front tread | 62.2/66.1 inches [157/167 cm] |
| 2WD Ag rear | 16.9/14-30 |
|---|---|
| 2WD Standard tires (ag) | Front: 6.50-20. Rear: 13.6/12-38 |
| 4WD Optional tires (ag) | Front: 11.2/10-24. Rear: 16.9/14-34 |
| 4WD Optional tires (ag) | Front: 11.2/10-24. Rear: 13.6/12-38 |
| 4WD Standard tires (ag) | Front: 11.2/10-24. Rear: 18.4/15-30 |
| 2WD Ag rear | 18.4-15-30 |
| 2WD Ag front | 7.50-20 |
| 4WD Optional tires (ag) | Front: 9.5/9-24. Rear: 16.9/14-30 |
| 2WD Ag rear | 13.6/12-36 |
Engine Specifications of Fiat, 750S
- Fiat CO 3/70
- Liquid-cooled
- Diesel
- 4-cylinder
| Starter volts | 12 |
|---|---|
| Displacement | 278.37 ci [4.6 L] |
| Fuel system | Direct injection |
| Bore/Stroke | 4.33x4.72 inches [110 x 120 mm] |
| Rated RPM | 2100 |
| Compression | 157:1 |
| Power | 80 hp [59.7 kW] |
Transmission Information of Fiat, 750S
Transmission variants 1
| Type | Partially synchronized |
|---|---|
| Gears | 7 forward and 2 reverse |
Transmission variants 2
| Type | Creeper |
|---|---|
| Gears | 14 forward and 4 reverse |
- 7-speed partially synchronized
- 14-speed creeper
Mechanical Specs of Fiat, 750S
- Open operator station.
- Two- or four-wheel drive
- Disc brakes
| Steering(optional) | Power |
|---|---|
| Steering | Manual |
| Final drives | Spur gear |
| Differential lock | Mechanical rear |
Power Information of Fiat, 750S
| Rear PTO | Independent |
|---|---|
| Rear PTO(optional) | 1000@1973 |
| Rear PTO Type | 540/1000 (1.375) |
| Engine RPM | 540@1830 |
Hydraulics Specifications of Fiat, 750S
| Type | Open center |
|---|---|
| Pump flow | 7.2 gpm [27.3 lpm] |
Three-Point Hitch of Fiat, 750S
| Rear Type | II |
|---|---|
| Control | Position and draft control |
| Rear lift | 4400 lbs [1995 kg] |
Electrical System of Fiat, 750S
| Ground | Negative |
|---|---|
| Charging system | Alternator |
| Battery volts | 12 |
Where it sits
With 80 HP, the Fiat 750S sits between 750 (75 HP) and 880 (88 HP) in Fiat's range. Its power puts it in the 58th percentile of 1970s models in our database (1259 machines).
Frequently asked questions
How much horsepower does the Fiat 750S have?
The Fiat 750S delivers 80 HP.
What years was the Fiat 750S produced?
The Fiat 750S was produced in 1971-1975.
What engine does the Fiat 750S have?
The Fiat 750S is powered by a Diesel, 4-cylinder engine.
What transmission does the Fiat 750S use?
The Fiat 750S uses a Partially synchronized transmission.
How much does the Fiat 750S weigh?
The Fiat 750S weighs 6724 lbs [3050 kg].
Is the Fiat 750S 4WD?
The Fiat 750S is available in 2WD/4WD.