| 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 |
| Wallis 20-30 Transmission | |
| 2-speed gear | |
| 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 |
| Mechanical | |
| Two-wheel drive | |
| Steering | manual |
| Open operator station. | |
| Photos | |
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| Dimensions & Tires | |
| Wheelbase | 84 inches 213 cm |
| Weight | 4,136 lbs 1876 kg |
| Rear tire | 48x12 |
| Belt Pulley | |
| Diameter | 19 inches 48 cm |
| Width | 7 inches 17 cm |
| RPM | 475 |
| References | |
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| 20-30 Tractor / 12-20 Tractor published by Wallis |
| Page information | |
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| TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999. | |
| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on February 25, 2023 |