Overview
The Fiat 251R is a utility farm tractor produced from 1959 to 1964, featuring a 4x4 4WD drive system. It is powered by a 1.1L 2-cylinder diesel engine rated at 21.13 hp and utilizes a sliding gear transmission with six forward and two reverse gears. The machine is built with a 114-inch length and weighs 2,540 lbs.
Ideal Applications
Engine Performance and Rating:
The 1.1L 2-cylinder diesel engine is rated at 21.13 hp at 2300 RPM with a claimed belt output of 19.31 hp and drawbar output of 18.43 hp.
Drivetrain and Transmission Layout:
This model is equipped with a 4x4 4WD drive system and a 6-speed sliding gear transmission providing six forward and two reverse gear ratios.
Chassis and Tire Configuration:
The tractor is listed with a 2,540 lb weight and identical 7.50-20 tire sizes for both the front and rear agricultural wheels.
Production
| Description | Utility tractor |
|---|---|
| Manufacturer | Fiat |
Engine
| Engine type | FIAT 1.1L 2-cyl diesel |
|---|---|
| Bore/Stroke | 3.347x3.937 inches (85 x 100 mm) |
| Compression | 21.5:1 |
| Description | FIAT / diesel / 2-cylinder |
| Displacement | 69.5 ci (1.1 L) |
| Power | 21.13 hp (15.8 kW) |
| Rated RPM | 2300 |
| Starter volts | 12 |
| Belt (claimed) | 19.31 hp (14.4 kW) |
| Drawbar (claimed) | 18.43 hp (13.7 kW) |
Transmission
| Gears | 6 forward and 2 reverse |
|---|---|
| Transmission | sliding gear |
| Transmission type | 6-speed |
Mechanical
| Drive | 4x4 4WD |
|---|
Dimensions & Tires
| Height | 52 inches (132 cm) |
|---|---|
| Length | 114 inches (289 cm) |
| Weight | 2,540 lbs (1152 kg) |
| Width | 51.25 inches (130 cm) |
| Front tire | 7.50-20 |
| Rear tire | 7.50-20 |
| Weight | 2,540 lbs (1152 kg) |
| Ag front | 7.50-20 |
| Ag rear | 7.50-20 |