Allis Chalmers M7 Engine
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| Engine Detail | |
| Willys MB | |
| gasoline | |
| 4-cylinder 8-valve | |
| liquid-cooled inline | |
| Displacement | 134.2 ci 2.2 L |
| Bore/Stroke | 3.125x4.375 inches 79 x 111 mm |
| Power | 63 hp 47.0 kW |
| Fuel system | carburetor |
| Pre-heating | gasoline-fired boiler |
| Compression | 6.48:1 |
| Rated RPM | 4000 |
| Torque | 105 lb-ft 142.4 Nm |
| Torque RPM | 2000 |
| Starter | electric |
| Starter volts | 6 |
| Oil capacity | 5 qts 4.7 L |
| Coolant capacity | 12 qts 11.4 L |
| Page information | |
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| Email: Peter@TractorData.com | |
| Updated on January 17, 2026 |