Allis Chalmers S: all source data
All 55 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 | 1,225 |
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Engine| (no label) | Allis Chalmers 11.1L 4-cyl diesel |
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| (no label) | Allis Chalmers 11.1L 4-cyl gasoline |
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| Fuel tank | 64 gal | 242.2 L |
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Transmission| (no label) | 5-speed gear |
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Power| Drawbar (claimed) | 48 hp | 35.8 kW |
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| Belt (claimed) | 66 hp | 49.2 kW |
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| Drawbar (tested) | 68.9 hp | 51.4 kW |
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| PTO (tested) | 84.3 hp | 62.9 kW |
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| Belt (tested) | 74.82 hp | 55.8 kW |
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Mechanical| Drive | crawler |
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| (no label) | Open operator station. |
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Dimensions| Weight | 20100 lbs | 9117 kg |
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| (no label) | 18-inch tracks |
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Engine
Engine options| (no label) | Allis Chalmers 11.1L 4-cyl diesel |
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| (no label) | Allis Chalmers 11.1L 4-cyl gasoline |
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Engine detail| (no label) | Allis Chalmers |
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| (no label) | diesel |
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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) | Oil engine, burned diesel with fuel injection and spark ignition, used on the SO model |
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| Displacement | 675.1 ci | 11.1 L |
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| Bore/Stroke | 5.75x6.50 inches | 146 x 165 mm |
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| Fuel system | mechancal injection |
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| Air cleaner | oil bath |
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| Compression | 6.5:1 |
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| Rated RPM | 1050 |
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| Starter volts | 6 |
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| Coolant capacity (Coolant) | 50 qts | 47.3 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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| Displacement | 675.1 ci | 11.1 L |
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| Bore/Stroke | 5.75x6.50 inches | 146 x 165 mm |
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| Compression | 5:1 |
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| Rated RPM | 1050 |
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| Starter volts | 6 |
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| Oil capacity | 20 qts | 18.9 L |
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Transmission
Transmission| Type | gear |
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| Gears | 5 forward and 1 reverse |
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| Clutch | dry disc |
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| Oil capacity | 23 qts | 21.8 L |
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Dimensions
Tracks| Width | 18 inches | 45 cm |
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| Length on ground | 77.1 inches | 195 cm |
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| Area on ground | 2775 in² | 1.8 m² |
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| Ground pressure | 6.74 psi | 0.5 bar |
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Dimensions| Length | 146 inches | 370 cm |
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| Width | 97 inches | 246 cm |
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| Height | 74 inches | 187 cm |
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| Weight | 20100 lbs | 9117 kg |
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| Gauge | 62 inches | 157 cm |
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