Introduction
Fiat 650S Utility Tractor
The Fiat 650S is a utility tractor produced between 1971 and 1974, designed to meet the operational requirements of mid-range agricultural tasks. It belongs to the manufacturer's utility tractor line, offering configurations for both two-wheel and four-wheel drive applications.
Engine and Performance
The tractor is powered by a 3-cylinder Fiat OM CN3 liquid-cooled diesel engine. With a displacement of 225.84 cubic inches (3.7 liters) and a compression ratio of 17.4:1, the engine produces 70 horsepower (52.2 kW) at a rated speed of 2200 RPM. The bore and stroke measure 4.33 by 5.12 inches.
Transmission and Drivetrain
The 650S offers two transmission configurations: a standard 7-speed partially synchronized gearbox providing 7 forward and 2 reverse gears, and an optional 14-speed creeper transmission offering 14 forward and 4 reverse gears for low-speed operations. The tractor is available in either 2WD or 4WD, with steering provided by a manual system, though power steering was offered as an optional upgrade.
Hydraulics and PTO
The hydraulic system utilizes an open-center design with a pump flow capacity of 6.2 gpm (23.5 lpm). The independent rear PTO operates at 540 RPM at an engine speed of 1830 RPM or 1000 RPM at 1973 RPM. It features a Type II rear hitch equipped with both position and draft control, providing a lift capacity of 4400 lbs (1995 kg).
Dimensions and Weight
The tractor has an overall length of 142.3 inches. The 4WD model features a wheelbase of 93.3 inches and a ground clearance of 16.9 inches. Weight varies by configuration, with the 2WD model weighing 6371 lbs (2889 kg) and the 4WD model weighing 7165 lbs (3250 kg).
Conclusion
The Fiat 650S is a robust utility tractor suited for general agricultural field work and light-to-medium traction tasks. Its multiple transmission options and hitch control features provide the necessary versatility for operators requiring a reliable, mechanical-focused machine.
Production Information of Fiat, 650S
- Utility tractor
| Manufacturer | Fiat |
|---|
Dimension and Tires Information of Fiat, 650S
| 4WD Ground clearance | 16.9 inches [42 cm] |
|---|---|
| 4WD Wheelbase | 93.3 inches [236 cm] |
| 2WD Weight | 6371 lbs [2889 kg] |
| 4WD Height (hood) | 63 inches [160 cm] |
| Length | 142.3 inches [361 cm] |
| 4WD Weight | 7165 lbs [3250 kg] |
| 4WD Height (steering wheel) | 69.8 inches [177 cm] |
| 2WD Standard tires (ag) | Front: 7.50-18. Rear: 13.6-36 |
|---|---|
| 4WD. Rear: Optional tires (ag) | Front: 11.2/10-24 |
| 4WD Standard tires (ag) | Front: 9.5/9-24. Rear: 16.9/14-30 |
| 4WD Optional tires (ag) | Front: 9.5/9-24. Rear: 13.6/12-36 |
Engine Specifications of Fiat, 650S
- Fiat OM CN3
- Liquid-cooled
- Diesel
- 3-cylinder
| Power | 70 hp [52.2 kW] |
|---|---|
| Displacement | 225.84 ci [3.7 L] |
| Compression | 17.4:1 |
| Bore/Stroke | 4.33x5.12 inches [110 x 130 mm] |
| Starter volts | 12 |
| Rated RPM | 2200 |
Transmission Information of Fiat, 650S
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, 650S
- Two- or four-wheel drive
- Open operator station.
| Steering | Manual |
|---|---|
| Steering(optional) | Power |
Power Information of Fiat, 650S
| Rear PTO | Independent |
|---|---|
| Rear PTO(optional) | 1000@1973 |
| Rear PTO Type | 540/1000 (1.375) |
| Engine RPM | 540@1830 |
Hydraulics Specifications of Fiat, 650S
| Type | Open center |
|---|---|
| Pump flow | 6.2 gpm [23.5 lpm] |
Three-Point Hitch of Fiat, 650S
| Rear Type | II |
|---|---|
| Control | Position and draft control |
| Rear lift | 4400 lbs [1995 kg] |
Electrical System of Fiat, 650S
| Ground | Negative |
|---|---|
| Battery volts | 12 |
Where it sits
With 70 HP, the Fiat 650S sits between 650 (65 HP) and 780 (78 HP) in Fiat's range. Its power puts it in the 51th percentile of 1970s models in our database (1259 machines).
Frequently asked questions
How much horsepower does the Fiat 650S have?
The Fiat 650S delivers 70 HP.
What years was the Fiat 650S produced?
The Fiat 650S was produced in 1971-1974.
What engine does the Fiat 650S have?
The Fiat 650S is powered by a Diesel, 3-cylinder engine.
What transmission does the Fiat 650S use?
The Fiat 650S uses a Partially synchronized transmission.
How much does the Fiat 650S weigh?
The Fiat 650S weighs 6371 lbs [2889 kg].
Is the Fiat 650S 4WD?
The Fiat 650S is available in 2WD/4WD.