Wallis 12-20

The Wallis 12-20 is a tractor produced by Wallis. It is equipped with a 248 ci 4.1 L engine. The rated power output is 24.16 hp 18.0 kW. Transmission: 3 forward and 1 reverse. Operating weight: 3455 lbs 1567 kg.

Engine Power
24.16 hp 18.0 kW
Fuel & Capacities
15 gal 56.8 L
Transmission
3 forward and 1 reverse
Operating Weight
3455 lbs 1567 kg

Wallis 12-20 Serial Number & Year Decoder

Find the exact manufacture year of your tractor by checking your chassis serial number below.

Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.

Overview

Wallis 12-20 tractor photo
1929 - 1932 Standard-tread tractor
1929 - 1932
Standard-tread tractor
Production
Manufacturer
Wallis (a part of Massey-Harris)
Standard-tread tractor
Built in Racine, Wisconsin, USA
Wallis 12-20 Engine
Wallis 4.1L 4-cyl gasoline
Fuel tank
15 gal 56.8 L
Aux. fuel
1.75 gal 6.6 L
Engine details ...
Wallis 12-20 Transmission
3-speed gear
Transmission details ...
Wallis 12-20 Power
Drawbar (claimed)
12 hp 8.9 kW
Belt (claimed)
20 hp 14.9 kW
Plows
2
Drawbar (tested)
18.07 hp 13.5 kW
Belt (tested)
24.16 hp 18.0 kW
Performance test details ...
Mechanical
Two-wheel drive
Manual steering
Open operator station.
Dimensions & Tires
Wheelbase
78 inches 198 cm
Weight
3455 lbs 1567 kg
Front tire
28x5
Rear tire
44x10
Full dimensions and tires ...
Belt Pulley
Diameter
17 inches 43 cm
Width
6 inches 15 cm
RPM
540
Speed
2400 ft/min 731.52 meters/min
References
12-20 references literature
20-30 Tractor / 12-20 Tractor published by Wallis

Engine

Engine Detail — 248 ci / 4.1 L Gasoline

Manufacturer
Wallis
Fuel Type
Gasoline
Configuration
4-cylinder, liquid-cooled
Displacement
248 ci 4.1 L
Bore/Stroke
3.875x5.25 inches 98 x 133 mm
Rated RPM
1000
Starter type
hand-crank

Transmission

Transmission — 3 forward and 1 reverse gear

Type
gear
Gears
3 forward and 1 reverse
Clutch
dry disc
12-20  gear speeds

Dimensions

Wallis 12-20 Tires
Ag front
28x5 (steel)
Ag rear
44x10 (steel)
Dimensions
Wheelbase
78 inches 198 cm
Length
121 inches 307 cm
Width
55 inches 139 cm
Height
51 inches 129 cm
Weight
3455 lbs 1567 kg

Tests

Nebraska Tractor Test 164
Gasoline 3-speed 2WD June 18 - 27, 1929 Link: Nebraska Tractor Test 164 file
Belt power (max)
24.16 hp 18.0 kW
Belt fuel use (max)
2.5 gal/hour 9.5 l/hour
Drawbar performance
Max power
18.07 hp 13.5 kW
Max pull
3,018 lbs 1368 kg

Photos

Wallis 12-20

Wallis 12-20

Wallis 12-20

Wallis 12-20

Wallis 12-20

Wallis 12-20

Wallis 12-20 operator station and controls.

Wallis 12-20 operator station and controls.