wallis 20 30
![]()  | 1927 - 1932
Standard-tread tractor  | 1927 - 1932  | Standard-tread tractor  | 
|---|---|---|---|
1927 - 1932  | |||
Standard-tread tractor  | |||
1927 - 1932  | |
|---|---|
Standard-tread tractor  | 
Production  | |
|---|---|
Manufacturer  | Wallis  (a part of J.I. Case Plow Works)  | 
Standard-tread tractor  | |
Built in Racine, Wisconsin, USA  | |
Wallis 20-30 Engine  | |
|---|---|
Wallis 5.7L 4-cyl gasoline  | |
Fuel tank  | 20 gal
75.7 L  | 
Aux. fuel  | 1.75 gal
6.6 L  | 
Engine details ...  | |
Wallis 20-30 Transmission  | |
|---|---|
2-speed gear  | |
Transmission details ...  | 
Wallis 20-30 Power  | |
|---|---|
Drawbar (claimed)  | 20 hp
14.9 kW  | 
Belt (claimed)  | 30 hp
22.4 kW  | 
Plows  | 3  | 
Drawbar (tested)  | 27.01 hp
20.1 kW  | 
Belt (tested)  | 35.29 hp
26.3 kW  | 
Performance test details ...  | |
Mechanical  | |
|---|---|
Two-wheel drive  | |
Steering  | manual  | 
Open operator station.  | |
Photos  | |
|---|---|
![]()  | |
Wallis 20-30 photos...  | 
Dimensions & Tires  | |
|---|---|
Wheelbase  | 84 inches
213 cm  | 
Weight  | 4,136 lbs
1876 kg  | 
Rear tire  | 48x12  | 
Full dimensions and tires ...  | |
Belt Pulley  | |
|---|---|
Diameter  | 19 inches
48 cm  | 
Width  | 7 inches
17 cm  | 
RPM  | 475  | 
References  | |
|---|---|
![]()  | |
20-30 Tractor / 12-20 Tractor published by Wallis  | 
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