wallis 12 20
![]()  | 1929 - 1932
Standard-tread tractor  | 1929 - 1932  | Standard-tread tractor  | 
|---|---|---|---|
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.  | 
Photos  | |
|---|---|
![]()  | |
Wallis 12-20 photos...  | 
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  | 
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