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
![]() | 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 | |
|---|---|
![]() | |
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 |
![]() | |
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
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