| Engine options | |
| Allis-Chalmers 2.3L 4-cyl gasoline | |
| Allis-Chalmers 2.4L 4-cyl gasoline | 
| Engine Detail | |
| Allis-Chalmers Power-Crater | |
| gasoline | |
| 4-cylinder | |
| liquid-cooled vertical L-head | |
| Original engine, used until 1961. | |
| Displacement | 138.7 ci 2.3 L  | 
| Bore/Stroke | 3.375x3.875 inches 86 x 98 mm  | 
| Power | 31 hp 23.1 kW  | 
| Air cleaner | oil bath | 
| Compression | 7.75:1 | 
| Rated RPM | 1650 | 
| Starter volts | 6 | 
| Oil capacity | 4 qts 3.8 L  | 
| Coolant capacity | 8 qts 7.6 L  | 
| Engine Detail | |
| Allis-Chalmers | |
| gasoline | |
| 4-cylinder | |
| liquid-cooled | |
| The larger, 149 cubic inch, engine was introduced at serial number 3501 in 1961. | |
| Displacement | 149 ci 2.4 L  | 
| Bore/Stroke | 3.50x3.875 inches 89 x 98 mm  | 
| Air cleaner | oil bath | 
| Compression | 7.5:1 | 
| Rated RPM | 1650 | 
| Firing order | 1-2-4-3 | 
| Starter volts | 12 | 
| Page information | |
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| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on May 30, 2025 |