| Engine options | |
| Allis-Chalmers 3.7L 4-cyl gasoline | |
| Allis Chalmers 4.3L 6-cyl diesel | |
| Allis-Chalmers 3.7L 4-cyl LP gas |
| Engine Detail | |
| Allis-Chalmers | |
| gasoline | |
| 4-cylinder | |
| liquid-cooled vertical I-head | |
| Displacement | 226 ci 3.7 L |
| Bore/Stroke | 4.00x4.50 inches 102 x 114 mm |
| Power | 63 hp 47.0 kW |
| Compression | 7.25:1 |
| Rated RPM | 1650 |
| Firing order | 1-2-4-3 |
| Starter | electric |
| Starter volts | 12 |
| Coolant capacity | 14.5 qts 13.7 L |
| Sparkplug gap | 0.025 inches 0.635 mm |
| Point gap | 0.022 inches 0.559 mm |
| Intake valve clearance | 0.013 inches (hot) 0.330 mm |
| Exhaust valve clearance | 0.013 inches (hot) 0.330 mm |
| Engine Detail | |
| Allis Chalmers | |
| diesel | |
| 6-cylinder | |
| liquid-cooled vertical I-head | |
| Displacement | 262 ci 4.3 L |
| Bore/Stroke | 3.5625x4.375 inches 90 x 111 mm |
| Power | 61 hp 45.5 kW |
| Compression | 15.7:1 |
| Rated RPM | 1650 |
| Oil capacity | 6 qts 5.7 L |
| Coolant capacity | 16 qts 15.1 L |
| Engine Detail | |
| Allis-Chalmers | |
| LP gas | |
| 4-cylinder | |
| liquid-cooled vertical I-head | |
| Displacement | 226 ci 3.7 L |
| Bore/Stroke | 4.00x4.50 inches 102 x 114 mm |
| Compression | 8.25:1 |
| Rated RPM | 1650 |
| Firing order | 1-2-4-3 |
| Page information | |
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| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on April 14, 2025 |