Allis Chalmers M
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| Production | |
| Manufacturer | Allis Chalmers |
| Agricultural Crawler tractor | |
| Built in Springfield, Illinois, USA | |
| Total built | 14,524 |
| Variants | |
| M | standard width |
| WM | wide |
| Allis Chalmers M Engines | |
| Allis Chalmers 4.9L 4-cyl gasoline | |
| Allis Chalmers 5.2L 4-cyl gasoline | |
| Fuel tank | 24 gal 90.8 L |
 Engine details ... | |
| Allis Chalmers M Transmission | |
| 4-speed gear | |
 Transmission details ... |
| Allis Chalmers M Power | |
| Drawbar (claimed) | 22 hp 16.4 kW |
| Belt (claimed) | 32 hp 23.9 kW |
| Drawbar (tested) | 29.65 hp 22.1 kW |
| Belt (tested) | 35.43 hp 26.4 kW |
 Performance test details ... | |
| Mechanical | |
| Drive | crawler |
| Open operator station. | |
| Photos | |
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 Allis Chalmers M photos... | |
| Dimensions & Tracks | |
| Weight | 6200 lbs 2812 kg |
| 12-inch tracks | |
 Full dimensions and tracks ... | |
| M Serial Numbers | |
| Location: | Right side of transmission case |
| 1932 | 1 |
| 1933 | 42 |
| 1934 | 402 |
| 1935 | 842 |
| 1936 | 1942 |
| 1937 | 3842 |
| 1938 | 7067 |
| 1939 | 8127 |
| 1940 | 9540 |
| 1941 | 11380 |
| 1942 | 12947 |
FAQ: How to read a serial number table. | |
| References | |
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| Agricultural Catalog published in 1935, by Allis Chalmers | |
| Build a Better Farm published in 1940, by Allis Chalmers |
| Page information | |
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| Peter Easterlund - owner/author | |
| This machine's data modified on December 2, 2025 |