Introduction
Caterpillar Twenty Agricultural Crawler Tractor
The Caterpillar Twenty is an agricultural crawler tractor produced between 1927 and 1931. Manufactured in Peoria, Illinois, and San Leandro, California, this machine represents a significant period in the development of tracked industrial and agricultural equipment, eventually being succeeded by the Twenty-Five model in 1931.
Engine Specifications
The tractor is powered by a 4-cylinder, liquid-cooled gasoline engine with a displacement of 277 cubic inches (4.5 liters). It operates at a rated speed of 1100 RPM. The engine intake system is protected by an oil bath air cleaner, a standard configuration for the era to ensure filtration in dusty field conditions.
Transmission and Drive System
The drivetrain utilizes a gear-type transmission providing three forward speeds and one reverse speed. Power is delivered through a crawler drive system, which distributes the tractor's 7700 lbs (3492 kg) weight over tracks, providing traction and stability on uneven or soft terrain.
Operator Environment
The tractor features an open operator station design, typical of crawler tractors from the late 1920s. This configuration provides the operator with direct access to controls and visibility required for agricultural field operations.
Conclusion
The Caterpillar Twenty serves as a representative example of early 20th-century crawler technology. Its design, characterized by a robust gasoline engine and tracked propulsion, was engineered for heavy-duty traction tasks in agriculture, forming the technical foundation for the subsequent Twenty-Five series.
Production Information of Caterpillar, Twenty
- In 1931, the Caterpillar was renamed the Twenty-Five due to increased engine output.
- Agricultural Crawler tractor
| Manufacturer | Caterpillar |
|---|---|
| Manufacturer(optional) | Peoria, Illinois, USA |
| Factories | San Leandro, California, USA |
Engine Specifications of Caterpillar, Twenty
- Caterpillar
- Liquid-cooled
- Gasoline
- 4-cylinder
| Air cleaner | Oil bath |
|---|---|
| Displacement | 277 ci [4.5 L] |
| Rated RPM | 1100 |
| Bore/Stroke | 4.00x5.50 inches [102 x 140 mm] |
Transmission Information of Caterpillar, Twenty
Transmission variants 1
| Type | Gear |
|---|---|
| Gears | 3 forward and 1 reverse |
Mechanical Specs of Caterpillar, Twenty
- Open operator station.
| Drive | Crawler |
|---|
Power Information of Caterpillar, Twenty
- Https://www.tractordata.com/farm-tractors/000/9/3/936-caterpillar-twenty-tests.html
Where it sits
With 32 hp[B] HP, the Caterpillar Twenty sits just below Twenty-Five (33 HP) in Caterpillar's range. Its power puts it in the 43th percentile of 1920s models in our database (181 machines).
Frequently asked questions
How much horsepower does the Caterpillar Twenty have?
The Caterpillar Twenty delivers 32 hp[B] HP.
What years was the Caterpillar Twenty produced?
The Caterpillar Twenty was produced in 1927-1931.
What engine does the Caterpillar Twenty have?
The Caterpillar Twenty is powered by a Gasoline, 4-cylinder engine.
What transmission does the Caterpillar Twenty use?
The Caterpillar Twenty uses a Gear transmission.