Allis Chalmers HD15: all source data
All 43 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 | 3,909 |
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Engine| (no label) | General Motors 7.0L 6-cyl diesel |
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Transmission| (no label) | 6-speed |
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Power| Drawbar (claimed) | 82 hp | 61.1 kW |
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| Belt (claimed) | 105 hp | 78.3 kW |
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| Drawbar (tested) | 104.4 hp | 77.9 kW |
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| Belt (tested) | 117.7 hp | 87.8 kW |
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Mechanical| Drive | crawler |
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| Steering | hydraulic steering clutches |
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| (no label) | Open operator station. |
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Capacity| Fuel | 91.5 gal | 346.3 L |
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| Steering | 10 qts | 9.5 L |
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Dimensions| Weight | 27850 to 30895 pounds |
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| (no label) | 20-inch tracks |
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Belt pulley| Diameter | 18 inches | 45 cm |
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| Width | 15 inches | 38 cm |
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| RPM | 693 |
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| Speed | 3266 ft/min | 995.48 meters/min |
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Engine
Engine detail| (no label) | General Motors |
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| (no label) | blower diesel |
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| (no label) | 6-cylinder |
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| (no label) | liquid-cooled 2-cycle vertical I-head |
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| Displacement | 426 ci | 7.0 L |
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| Bore/Stroke | 4.25x5.00 inches | 108 x 127 mm |
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| Compression | 16.0:1 |
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| Rated RPM | 1600 |
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| Starter volts | 12 |
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| Oil capacity | 20 qts | 18.9 L |
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| Coolant capacity (Coolant) | 47 qts | 44.5 L |
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Transmission
Transmission| Transmission | constant mesh |
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| Gears | 6 forward and 3 reverse |
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| Oil capacity | 34 qts | 32.2 L |
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Dimensions
Tracks| Width | 20 inches | 50 cm |
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Dimensions| Length | 181 inches | 459 cm |
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| Width | 96.75 inches | 245 cm |
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| Height | 95 inches | 241 cm |
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| Shipping weight | 27850 lbs | 12632 kg |
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| Operating weight | 30895 lbs | 14013 kg |
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| Ground clearance | 14.375 inches | 36 cm |
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| Gauge | 74 inches | 187 cm |
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