Allis Chalmers M Engine
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| Engine options | |
| Allis Chalmers 4.9L 4-cyl gasoline | |
| Allis Chalmers 5.2L 4-cyl gasoline |
| Engine Detail | |
| Allis Chalmers | |
| gasoline | |
| 4-cylinder | |
| liquid-cooled vertical I-head | |
| Original engine used until 1936, SN 2941 | |
| Displacement | 300.7 ci 4.9 L |
| Bore/Stroke | 4.375x5.00 inches 111 x 127 mm |
| Air cleaner | oil bath |
| Compression | 4.2:1 (early) |
| 4.7:1 (late) | |
| Rated RPM | 1200 |
| Starter volts | 6 |
| Oil capacity | 10 qts 9.5 L |
| Coolant capacity | 24 qts 22.7 L |
| Engine Detail | |
| Allis Chalmers | |
| gasoline | |
| 4-cylinder | |
| liquid-cooled vertical I-head | |
| Used from 1936 on, SN 2942 | |
| Displacement | 318 ci 5.2 L |
| Bore/Stroke | 4.50x5.00 inches 114 x 127 mm |
| Air cleaner | oil bath |
| Rated RPM | 1200 |
| Page information | |
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| Email: Peter@TractorData.com | |
| Updated on December 2, 2025 |