Introduction
SFV 551 Standard-Tread Tractor
The SFV 551 is a standard-tread agricultural tractor produced by the French manufacturer SFV between 1951 and 1956. Manufactured in the factories of Luneville and Vierzon, this machine is recognized for its robust construction and role in mid-20th-century French agriculture.
Engine and Performance
The tractor is powered by a liquid-cooled, single-cylinder diesel engine with a displacement of 778.7 cubic inches (12.8 liters). It produces a rated output of 66 horsepower at an engine speed of 650 RPM. The engine features a large bore and stroke of 250 x 260 mm, characteristic of the period's heavy-duty single-cylinder designs.
Transmission and PTO
The powertrain includes a gear-type transmission providing 5 forward gears and 1 reverse gear. It is equipped with a rear power take-off (PTO) unit operating at 540 RPM, utilizing a 1.375-inch shaft, which allows for the operation of various mounted and trailed agricultural implements.
Mechanical Configuration and Dimensions
The SFV 551 features a two-wheel-drive configuration with an open operator station. The tractor measures 135.8 inches (344 cm) in length and 71.1 inches (180 cm) in width. With a total weight of 7,275 lbs (3,299 kg), the machine provides stability for field operations. It is fitted with 6.50-20 front tires and offers rear tire options of 14-34 or 12-38.
Conclusion
The SFV 551 is a heavy-duty, single-cylinder tractor designed for standard field work. Its mechanical simplicity, combined with its substantial mass and high-displacement engine, makes it a notable example of post-war agricultural machinery, currently serving as a reliable machine for collectors and historical enthusiasts.
Production Information of SFV, 551
- Standard-tread tractor
| Manufacturer | SFV |
|---|---|
| Manufacturer(optional) | Luneville, France |
| Factories | Vierzon, France |
Dimension and Tires Information of SFV, 551
| Length | 135.8 inches [344 cm] |
|---|---|
| Weight | 7275 lbs [3299 kg] |
| Width | 71.1 inches [180 cm] |
| Height (steering wheel) | 74.8 inches [189 cm] |
| Ag front | 6.50-20 |
|---|---|
| Ag rear | 14-34 |
| Ag rear | 12-38 |
Engine Specifications of SFV, 551
- SFV
- Liquid-cooled
- Diesel
- 1-cylinder
| Rated RPM | 650 |
|---|---|
| Displacement | 778.7 ci [12.8 L] |
| Bore/Stroke | 9.84x10.24 inches [250 x 260 mm] |
Transmission Information of SFV, 551
Transmission variants 1
| Type | Gear |
|---|---|
| Gears | 5 forward and 1 reverse |
Mechanical Specs of SFV, 551
- Two-wheel drive
- Open operator station.
Power Information of SFV, 551
| Rear PTO Type | 540 (1.375) |
|---|
Where it sits
With 66 hp[B] HP, the SFV 551 sits between 402 (50 HP) and 552 (72 HP) in SFV's range. Its power puts it in the 91th percentile of 1950s models in our database (592 machines).
Frequently asked questions
How much horsepower does the SFV 551 have?
The SFV 551 delivers 66 hp[B] HP.
What years was the SFV 551 produced?
The SFV 551 was produced in 1951-1956.
What engine does the SFV 551 have?
The SFV 551 is powered by a Diesel, 1-cylinder engine.
What transmission does the SFV 551 use?
The SFV 551 uses a Gear transmission.
How much does the SFV 551 weigh?
The SFV 551 weighs 7275 lbs [3299 kg].
Is the SFV 551 4WD?
The SFV 551 is available in 2WD.