Introduction
Fiat 5050 Utility Tractor
The Fiat 5050 is a utility tractor produced between 1977 and 1983, primarily marketed under the Allis-Chalmers brand in North America. Designed for versatile agricultural applications, this machine was built on a Fiat platform and reflects the engineering standards of that era.
Engine and Performance
The tractor is powered by a 3-cylinder, liquid-cooled engine with a displacement of 167.8 cubic inches (2.8 L). It operates at a rated speed of 2700 RPM and features a compression ratio of 17.1:1. The fuel consumption is rated at approximately 3.5 gallons per hour. Maintenance specifications include an intake valve clearance of 0.018 inches (cold) and exhaust valve clearance of 0.018 inches (cold).
Transmission and Drivetrain
The 5050 offers two transmission configurations, both partially synchronized. The standard setup provides 8 forward and 2 reverse gears, while an optional configuration offers 12 forward and 3 reverse speeds. The drivetrain supports both two-wheel and four-wheel drive variants, with the 4WD model featuring a wheelbase of 76.7 inches and a ground clearance of 12.5 inches.
Hydraulics and PTO
The hydraulic system utilizes an open-center design with a pump flow capacity of 6.47 gallons per minute. The rear hitch is compatible with Category I and II implements, offering a lift capacity of 3200 lbs. The tractor is equipped with an independent rear PTO operating at 540 RPM, providing consistent power for attached implements.
Operator Environment and Steering
The operator station is an open design, with optional Roll-Over Protective Structures (ROPS) and canopy available for safety. Manoeuvrability is facilitated by a power-assisted steering system, and the tractor utilizes differential mechanical contracting band brakes for stopping control.
Conclusion
The Fiat 5050 is a durable utility tractor suitable for general farm work and implement operation. Its availability in both 2WD and 4WD configurations, combined with a choice of transmission speeds, allows it to adapt to various field conditions and operational requirements.
Production Information of Allis Chalmers, 5050
- Very early production 5050 tractors were based on the Fiat 540 and had the smaller 2.6L engine.
- Utility tractor
| Distributor | Allis Chalmers |
|---|---|
| Original price | $20,720 |
| Manufacturer | Fiat |
Dimension and Tires Information of Allis Chalmers, 5050
| 4WD Ground clearance | 12.5 inches [31 cm] |
|---|---|
| 2WD Wheelbase | 75.6 inches [192 cm] |
| Width | 67 inches [170 cm] |
| 4WD Length | 124.7 inches [316 cm] |
| 4WD Wheelbase | 76.7 inches [194 cm] |
| 2WD Front tread | 53.2 to 77.2 inches [135 to 196 cm] |
| 2WD Ground clearance | 20 inches [50 cm] |
| 2WD Length | 119.3 inches [303 cm] |
| Rear tread | 56 to 79 inches [142 to 200 cm] |
| 4WD Front tread | 55 to 59 inches [139 to 149 cm] |
| 2WD Standard tires (ag) | Front: 7.50-16. Rear: 14.9-28 |
|---|---|
| 4WD Standard tires (ag) | Front: 8.3-24. Rear: 14.9-30 |
Engine Specifications of Allis Chalmers, 5050
- Liquid-cooled
- Image courtesy of Maxx
- 3-cylinder
| Exhaust valve clearance | 0.018 inches (cold) [0.457 mm] |
|---|---|
| Exhaust valve clearance(optional) | 0.014 inches (hot) [0.356 mm] |
| Air cleaner | Paper element |
| Air cleaner(optional) | 0.014 inches (hot) [0.356 mm] |
| Rated RPM | 2700 |
| Starter volts | 12 |
| Compression | 17.1:1 |
| Displacement | 167.8 ci [2.8 L] |
| Fuel use | 3.504 gal/hour [13.3 l/hour] |
| Bore/Stroke | 4.055x4.330 inches [103 x 110 mm] |
| Intake valve clearance | 0.018 inches (cold) [0.457 mm] |
| Coolant capacity | 14.25 qts [13.5 L] |
| Oil capacity | 8.1 qts [7.7 L] |
Transmission Information of Allis Chalmers, 5050
Transmission variants 1
- Four gears, plus reverse, in two ranges. Gear pairs 3/4, and 7/8 are synchronized.
| Type | Partially synchronized |
|---|---|
| Gears | 8 forward and 2 reverse |
| Oil capacity | 19 qts [18.0 L] |
Transmission variants 2
- Four gears, plus reverse, in three ranges. Gear pairs 3/4, 7/8, and 11/12 are synchronized.
| Type | Partially synchronized |
|---|---|
| Gears | 12 forward and 3 reverse |
- 8-speed partially synchronized
- 12-speed partially synchronized
Mechanical Specs of Allis Chalmers, 5050
- Two- or four-wheel drive
- Open operator station. Optional ROPS and canopy.
- Differential mechanical contracting band brakes
| Steering | Power assist |
|---|
Power Information of Allis Chalmers, 5050
| Rear PTO | Independent |
|---|---|
| Rear PTO Type | 540 |
Hydraulics Specifications of Allis Chalmers, 5050
| Type | Open center |
|---|---|
| Pump flow | 6.47 gpm [24.5 lpm] |
| Capacity | 4.75 gal [18.0 L] |
| Valves | 1 |
Three-Point Hitch of Allis Chalmers, 5050
| Rear Type | II/I |
|---|---|
| Rear lift | 3200 lbs [1451 kg] |
Electrical System of Allis Chalmers, 5050
| Ground | Negative |
|---|---|
| Battery volts | 12 |
| Charging system | Alternator |
| Charging amps | 37 |
Where it sits
With 55 hp[P] HP, the Allis Chalmers 5050 sits between K (54 HP) and A (56 HP) in Allis Chalmers's range. Its power puts it in the 37th percentile of 1970s models in our database (1259 machines).
Frequently asked questions
How much horsepower does the Allis Chalmers 5050 have?
The Allis Chalmers 5050 delivers 55 hp[P] HP.
What years was the Allis Chalmers 5050 produced?
The Allis Chalmers 5050 was produced in 1977-1983.
What engine does the Allis Chalmers 5050 have?
The Allis Chalmers 5050 is powered by a 3-cylinder engine.
What transmission does the Allis Chalmers 5050 use?
The Allis Chalmers 5050 uses a Partially synchronized transmission.
Is the Allis Chalmers 5050 4WD?
The Allis Chalmers 5050 is available in 2WD/4WD.