Introduction
Minneapolis 39-57 Standard-Tread Tractor
The Minneapolis 39-57 is a historical agricultural tractor produced between 1928 and 1929 by the Minneapolis Threshing Machine Company in Hopkins, Minnesota, USA. Part of the 35-70 series, this machine represents the heavy-duty tractor technology of the late 1920s.
Engine Specifications
The tractor is powered by a liquid-cooled, four-cylinder Stearns gasoline engine. It features a displacement of 617.7 cubic inches (10.1 liters) with a bore and stroke of 5.50 by 6.50 inches. The engine operates at a rated speed of 1000 RPM to produce 63 horsepower, sufficient for the agricultural demands of its time. The engine is started manually using a hand crank.
Transmission and Chassis
The 39-57 utilizes a gear-type transmission providing two forward speeds and one reverse gear. It is a two-wheel drive tractor with a standard-tread configuration. Steering is manually operated, and the machine features an open operator station without a cab, as was standard for the era.
Dimensions and Weight
This tractor is built for stability during heavy field work, weighing 9,695 lbs (4,397 kg). It is equipped with 58x19.5 steel wheels, typical of the construction and traction requirements for tractors in the late 1920s.
Conclusion
The Minneapolis 39-57 serves as a representative example of early 20th-century agricultural engineering. Designed for heavy traction tasks, its robust construction and simple mechanical systems make it a significant piece of history for collectors and enthusiasts of vintage machinery.
Production Information of Minneapolis, 39-57
- Standard-tread tractor
- Built in Hopkins, Minnesota, USA
| Manufacturer | Minneapolis (a part of Minneapolis Threshing Machine Company) |
|---|
Dimension and Tires Information of Minneapolis, 39-57
| Weight | 9695 lbs [4397 kg] |
|---|
| Ag rear | 58x19.5 (steel) |
|---|
Engine Specifications of Minneapolis, 39-57
- Stearns
- Liquid-cooled
- Gasoline
- 4-cylinder
| Rated RPM | 1000 |
|---|---|
| Displacement | 617.7 ci [10.1 L] |
| Starter type | Hand crank |
| Bore/Stroke | 5.50x6.50 inches [140 x 165 mm] |
Transmission Information of Minneapolis, 39-57
Transmission variants 1
| Type | Gear |
|---|---|
| Gears | 2 forward and 1 reverse |
Mechanical Specs of Minneapolis, 39-57
- Two-wheel drive
- Manual steering
- Open operator station.
Power Information of Minneapolis, 39-57
- Https://www.tractordata.com/farm-tractors/008/3/3/8335-minneapolis-39-57-tests.html
Where it sits
With 63 hp[B] HP, the Minneapolis 39-57 sits just below 35-70 (77 HP) in Minneapolis's range. Its power puts it in the 92th percentile of 1920s models in our database (181 machines).
Frequently asked questions
How much horsepower does the Minneapolis 39-57 have?
The Minneapolis 39-57 delivers 63 hp[B] HP.
What years was the Minneapolis 39-57 produced?
The Minneapolis 39-57 was produced in 1928-1929.
What engine does the Minneapolis 39-57 have?
The Minneapolis 39-57 is powered by a Gasoline, 4-cylinder engine.
What transmission does the Minneapolis 39-57 use?
The Minneapolis 39-57 uses a Gear transmission.
How much does the Minneapolis 39-57 weigh?
The Minneapolis 39-57 weighs 9695 lbs [4397 kg].
Is the Minneapolis 39-57 4WD?
The Minneapolis 39-57 is available in 2WD.