Allis Chalmers M: all source data
All 54 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Manufacturer | Allis Chalmers |
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| (no label) | Agricultural Crawler tractor |
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| (no label) | Built in Springfield, Illinois, USA |
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| Total built | 14,524 |
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Engine| (no label) | Allis Chalmers 4.9L 4-cyl gasoline |
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| (no label) | Allis Chalmers 5.2L 4-cyl gasoline |
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| Fuel tank | 24 gal | 90.8 L |
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Transmission| (no label) | 4-speed gear |
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Power| Drawbar (claimed) | 22 hp | 16.4 kW |
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| Belt (claimed) | 32 hp | 23.9 kW |
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| Drawbar (tested) | 29.65 hp | 22.1 kW |
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| Belt (tested) | 35.43 hp | 26.4 kW |
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Mechanical| Drive | crawler |
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| (no label) | Open operator station. |
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Dimensions| Weight | 6200 lbs | 2812 kg |
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| (no label) | 12-inch tracks |
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Engine
Engine options| (no label) | Allis Chalmers 4.9L 4-cyl gasoline |
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| (no label) | Allis Chalmers 5.2L 4-cyl gasoline |
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Engine detail| (no label) | Allis Chalmers |
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| (no label) | gasoline |
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| (no label) | 4-cylinder |
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| (no label) | liquid-cooled vertical I-head |
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| (no label) | Original engine used until 1936, SN 2941 |
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| Displacement | 300.7 ci | 4.9 L |
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| Bore/Stroke | 4.375x5.00 inches | 111 x 127 mm |
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| Air cleaner | oil bath |
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| Compression | 4.2:1 (early) |
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| Compression | 4.7:1 (late) |
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| Rated RPM | 1200 |
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| Starter volts | 6 |
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| Oil capacity | 10 qts | 9.5 L |
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| Coolant capacity (Coolant) | 24 qts | 22.7 L |
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| (no label) | Allis Chalmers |
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| (no label) | gasoline |
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| (no label) | 4-cylinder |
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| (no label) | liquid-cooled vertical I-head |
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| (no label) | Used from 1936 on, SN 2942 |
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| Displacement | 318 ci | 5.2 L |
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| Bore/Stroke | 4.50x5.00 inches | 114 x 127 mm |
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| Air cleaner | oil bath |
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| Rated RPM | 1200 |
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Transmission
Transmission| Type | gear |
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| Gears | 4 forward and 1 reverse |
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| Clutch | Rockford dry plate |
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| Oil capacity | 12 qts | 11.4 L |
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Dimensions
Tracks| Width | 12 inches | 30 cm |
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| Length on ground | 56.4 inches | 143 cm |
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| Area on ground | 1353 in² | 0.9 m² |
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| Ground pressure | 4.8 psi | 0.3 bar |
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Dimensions| Length | 101.3 inches | 257 cm |
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| Width | 57.25 inches | 145 cm |
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| Height | 56 inches | 142 cm |
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| Weight | 6200 lbs | 2812 kg |
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| Gauge | 40 inches | 101 cm |
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