
Introduction
Simpson Jumbo Model B Tractor
The Simpson Jumbo Model B is a vintage agricultural tractor produced between 1947 and 1949 in Azusa, California, USA. This unit represents mid-20th-century tractor design, utilizing a standard two-wheel drive configuration.
Engine and Performance
The tractor is powered by a Chrysler 5A gasoline engine. This liquid-cooled, 6-cylinder power unit features a displacement of 217.8 cubic inches (3.6 liters) with a bore and stroke of 3.25 by 4.3758 inches. The engine operates with a compression ratio of 6.6:1, consistent with the fuel standards of that era.
Transmission and Handling
The drivetrain is equipped with a manual transmission providing 5 forward gears and 1 reverse gear, allowing for a range of operational speeds suitable for varied field tasks. The tractor utilizes manual steering, requiring physical input from the operator to navigate.
Operator Environment
The machine is designed with an open operator station, a standard configuration for tractors of this period, which provides the driver with clear visibility and direct access to the mechanical controls.
Conclusion
The Simpson Jumbo Model B is a representative example of post-war American tractor manufacturing. Due to its age and mechanical design, it is primarily suited for vintage equipment collectors and historical preservation efforts rather than intensive modern agricultural production.
Production Information of Simpson Jumbo, B
- Built in Azusa, California, USA
| Manufacturer | Simpson Jumbo |
|---|
Engine Specifications of Simpson Jumbo, B
- Chrysler 5A
- Liquid-cooled
- Gasoline
- 6-cylinder
| Compression | 6.6:1 |
|---|---|
| Displacement | 217.8 ci [3.6 L] |
| Bore/Stroke | 3.25x4.3758 inches [83 x 111 mm] |
Transmission Information of Simpson Jumbo, B
Transmission variants 1
| Gears | 5 forward and 1 reverse |
|---|
Mechanical Specs of Simpson Jumbo, B
- Two-wheel drive
- Open operator station.
| Steering | Manual |
|---|
Frequently asked questions
How much horsepower does the Simpson Jumbo B have?
The Simpson Jumbo B delivers unknown HP.
What years was the Simpson Jumbo B produced?
The Simpson Jumbo B was produced in 1947-1949.
What engine does the Simpson Jumbo B have?
The Simpson Jumbo B is powered by a Gasoline, 6-cylinder engine.
Is the Simpson Jumbo B 4WD?
The Simpson Jumbo B is available in 2WD.