Introduction
Wallis 20-30 Agricultural Tractor
The Wallis 20-30 is a standard-tread tractor manufactured by Wallis, a division of J.I. Case Plow Works, in Racine, Wisconsin, USA. Produced between 1927 and 1932, this machine represents the agricultural engineering standards of the early 20th century.
Engine and Performance
The tractor is powered by a 4-cylinder gasoline engine with a displacement of 346 cubic inches (5.7 liters). It operates at a rated speed of 1050 RPM and utilizes a liquid-cooling system to maintain thermal stability during operation. Starting is achieved via a manual hand-crank mechanism. The engine delivers a power output of 33 horsepower.
Transmission and Drivetrain
Power is transferred through a gear-type transmission featuring two forward gears and one reverse gear. A dry disc clutch assembly manages power engagement. The tractor is configured with a two-wheel drive system and utilizes manual steering for operator control.
Dimensions and Chassis
The chassis features an open operator station design. With a wheelbase of 84 inches (213 cm), the tractor measures 131.5 inches (334 cm) in length and 55 inches (139 cm) in height. The total machine weight is 4,136 lbs (1876 kg). It is equipped with 48x12 steel rear agricultural wheels.
Conclusion
The Wallis 20-30 is a robust, mechanically straightforward tractor designed for general farm work. Its 33-horsepower rating and durable construction make it a significant model for historians and collectors of early American agricultural machinery.
Production Information of Wallis, 20-30
- Standard-tread tractor
- Built in Racine, Wisconsin, USA
| Manufacturer | Wallis (a part of J.I. Case Plow Works) |
|---|
Dimension and Tires Information of Wallis, 20-30
| Wheelbase | 84 inches [213 cm] |
|---|---|
| Weight | 4,136 lbs [1876 kg] |
| Length | 131.5 inches [334 cm] |
| Height | 55 inches [139 cm] |
| Ag rear | 48x12 (steel) |
|---|
Engine Specifications of Wallis, 20-30
- Wallis
- Liquid-cooled
- Gasoline
- 4-cylinder
| Rated RPM | 1050 |
|---|---|
| Displacement | 346 ci [5.7 L] |
| Starter type | Hand-crank |
| Bore/Stroke | 4.375x5.75 inches [111 x 146 mm] |
Transmission Information of Wallis, 20-30
Transmission variants 1
| Type | Gear |
|---|---|
| Gears | 2 forward and 1 reverse |
| Clutch | Dry disc |
Mechanical Specs of Wallis, 20-30
- Two-wheel drive
- Open operator station.
| Steering | Manual |
|---|
Power Information of Wallis, 20-30
- Https://www.tractordata.com/farm-tractors/007/1/2/7127-wallis-20-30-tests.html
Where it sits
With 33 hp[B] HP, the Wallis 20-30 sits just above OK 15-27 (30 HP) in Wallis's range. Its power puts it in the 55th percentile of 1920s models in our database (181 machines).
Frequently asked questions
How much horsepower does the Wallis 20-30 have?
The Wallis 20-30 delivers 33 hp[B] HP.
What years was the Wallis 20-30 produced?
The Wallis 20-30 was produced in 1927-1932.
What engine does the Wallis 20-30 have?
The Wallis 20-30 is powered by a Gasoline, 4-cylinder engine.
What transmission does the Wallis 20-30 use?
The Wallis 20-30 uses a Gear transmission.
How much does the Wallis 20-30 weigh?
The Wallis 20-30 weighs 4,136 lbs [1876 kg].
Is the Wallis 20-30 4WD?
The Wallis 20-30 is available in 2WD.