Skip to content
An independent tractor referenceSpecifications. Sources. Side by side.
TractorStack.
Search
Find your tractor.
Menu ☰
Years in Production / 1927–1932
Wallis
20-30
Explore the specifications, hardware, and original references for the Wallis 20-30.
No photo
33hp
Engine estimate · from belt
2WD Only
Drive
1927–1932
Production years
Wallis
Manufacturer
20-30 / 01
At a glance
Production
Standard-tread tractor
Built in Racine, Wisconsin, USA
- Manufacturer
- Wallis (a part of J.I. Case Plow Works)
Mechanical
Two-wheel drive
Open operator station.
- Steering
- manual
Belt Pulley
- Diameter
- 19 inches48 cm
- Width
- 7 inches17 cm
- Rpm
- 475
20-30 / 02
Under the hood
Engine Detail
Wallis
gasoline
4-cylinder
liquid-cooled
- Displacement
- 346 ci5.7 L
- Bore Stroke
- 4.375x5.75 inches111 x 146 mm
- Rated Rpm
- 1050
- Starter Type
- hand-crank
- Fuel Type
- gasoline
- Cylinders
- 4
- Cooling
- liquid-cooled
Engine Options
Wallis 5.7L 4-cyl gasoline
- Fuel Tank
- 20 gal75.7 L
- Aux Fuel
- 1.75 gal6.6 L
20-30 / 03
Gears & controls
Transmission
- Transmission Type
- gear
- Gears
- 2 forward and 1 reverse
- Clutch
- dry disc
20-30 / 04
Size. Stance. Footprint.
Dimensions And Tires
- Wheelbase
- 84 inches213 cm
- Weight
- 4,136 lbs1876 kg
- Rear Tire
- 48x12
Tires And Tracks
- Rear Ag
- 48x12 (steel)
20-30 / 05
Tests (NTTL)
Nebraska Tractor Test 134
Gasoline 2-speed 2WDApril 29 - May 10, 1927
Drawbar performance
- Id
- 134
- Belt Power Max
- 35.29 hp26.3 kW
- Belt Fuel Use Max
- 4.2 gal/hour15.9 l/hour
- Max Power
- 27.01 hp20.1 kW
- Max Pull
- 3,409 lbs1546 kg