Allis Chalmers L
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| Production | |
| Manufacturer | Allis Chalmers |
| Standard-tread tractor | |
| Built in West Allis, Wisconsin, USA | |
| Total built | 1,705 |
| The Allis-Chalmers model L was also named the 12-20 and the 15-25. | |
| Allis Chalmers L Engine | |
| Midwest 4.6L 4-cyl gasoline | |
| Fuel tank | 20 gal 75.7 L |
 Engine details ... | |
| Allis Chalmers L Transmission | |
| 2-speed gear | |
 Transmission details ... |
| Allis Chalmers L Power | |
| Drawbar (claimed) | 12 hp 8.9 kW |
| Belt (claimed) | 20 hp 14.9 kW |
| Plows | 3 |
| Drawbar (tested) | 21.42 hp 16.0 kW |
| Belt (tested) | 33.18 hp 24.7 kW |
 Performance test details ... | |
| Mechanical | |
| Two-wheel drive | |
| Final drives | bull gear |
| Manual steering | |
| Open operator station. | |
| Photos | |
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 Allis Chalmers L photos... | |
| Dimensions & Tires | |
| Weight | 4400 lbs 1995 kg |
| Front tire | 32x6 |
| Rear tire | 46x12 |
 Full dimensions and tires ... | |
| L Serial Numbers | |
| Location: | rear fuel tank support |
| 1921 | 20001 |
| 1922 | 20335 |
| 1923 | 20498 |
| 1924 | 20906 |
| 1925 | 20996 |
| 1926 | 21371 |
| 1927 | 21682 |
FAQ: How to read a serial number table. | |
| Belt Pulley | |
| Diameter | 12.5 inches 31 cm |
| Width | 6.5 inches 16 cm |
| Speed | 2675 ft/min 815.34 meters/min |
| References | |
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| Tractors published in 1924, by Allis Chalmers |
| Page information | |
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| Email me: Peter@TractorData.com | |
| TractorData is a family-owned small business located in Minnesota. I have been researching tractor history and providing specifications for free since 1999. | |
| Peter Easterlund - owner/author | |
| This machine's data modified on December 4, 2025 |