Allis Chalmers 20-35
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Series map:
20-35
38.9hp*
*Estimated engine power for comparison only.
| Production | |
| Manufacturer | Allis Chalmers |
| Standard-tread tractor | |
| Built in West Allis, Wisconsin, USA | |
| When the Allis-Chalmers E 18-30 was re-tested in 1921 at 930 RPM, it produced a rated 38 belt horsepower. The tractor was re-named the 20-35. | |
| Allis Chalmers 20-35 Engine | |
| Allis Chalmers 7.6L 4-cyl gasoline | |
| Fuel tank | 25 gal 94.6 L |
| Aux. fuel | 7.75 gal 29.3 L |
 Engine details ... | |
| Allis Chalmers 20-35 Transmission | |
| 2-speed unsynchronized gear | |
 Transmission details ... |
| Allis Chalmers 20-35 Power | |
| Drawbar (claimed) | 20 hp 14.9 kW |
| Belt (claimed) | 35 hp 26.1 kW |
| Drawbar (tested) | 33.20 hp 24.8 kW |
| Belt (tested) | 44.29 hp 33.0 kW |
 Performance test details ... | |
| Mechanical | |
| Two-wheel drive | |
| Manual steering | |
| Open operator station. |
| Dimensions & Tires | |
| Weight | 6640 lbs 3011 kg |
| Front tire | 36x6 |
| Rear tire | 50x12 |
 Full dimensions and tires ... | |
| 20-35 Serial Numbers | |
| Location: | Serial number on a plate in front of the steering wheel until 1927. After, the serial number is front of shifter on transmission case. |
| 1923 | 6161 |
| 1924 | 6397 |
| 1925 | 6755 |
| 1926 | 7369 |
| 1927 | 8070 |
| 1928 | 9870 |
| 1929 | 16762 |
| 1930 | 23252 |
| Final | 24185 |
FAQ: How to read a serial number table. | |
| Belt Pulley | |
| Diameter | 13 inches 33 cm |
| Width | 8.5 inches 21 cm |
| RPM | 930 |
| References | |
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| 20-35 Tractors published in 1929, by Allis Chalmers |
| Page information | |
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| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on May 10, 2021 |