Allis Chalmers HD3: all source data
All 56 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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| (no label) | The Allis-Chalmers H3 crawler was based on the diesel-powered D15 farm tractor. |
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Engine| (no label) | Allis Chalmers 2.9L 4-cyl diesel |
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Transmission| (no label) | 8-speed two-speed power shift |
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| (no label) | 4-speed mechanical shuttle |
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Power| Drawbar (tested) | 26.17 hp | 19.5 kW |
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| PTO (tested) | 32.53 hp | 24.3 kW |
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Mechanical| Drive | crawler |
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| Steering | mechanical clutches |
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| (no label) | Mechanical contracting band brakes |
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| (no label) | Open operator station. |
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Capacity| Fuel | 14 gal | 53.0 L |
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| Hydraulic system | 16.5 gal | 62.5 L |
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Hydraulics| Type | open center |
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| Capacity | 16.5 gal | 62.5 L |
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| Valves | 1 to 3 |
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| Pump flow | 15 gpm | 56.8 lpm |
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| Pump flow | 25 gpm (optional) | 94.6 lpm |
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Pto| Rear PTO | optional |
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| Rear PTO Type | 540 |
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Dimensions| Weight | 7645 lbs | 3467 kg |
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| (no label) | 7-inch tracks |
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Engine
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 |
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| Displacement | 175 ci | 2.9 L |
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| Bore/Stroke | 3.562x4.375 inches | 90 x 111 mm |
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| Fuel system | Roosa-Master injection pump |
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| Air cleaner | oil bath |
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| Rated RPM | 1650 |
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| Starter | electric |
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| Starter volts | 12 |
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| Coolant capacity (Coolant) | 9 qts | 8.5 L |
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Transmission
Transmission options| (no label) | 8-speed two-speed power shift |
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| (no label) | 4-speed mechanical shuttle |
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Transmission| Transmission | Power Director |
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| Type | two-speed power shift |
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| Gears | 8 forward and 2 reverse |
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| Clutch | wet disc (Power Director) |
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| Clutch | dry disc (gear) |
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| (no label) | Four gears (1-4) plus reverse (R) with two-speed high/low power shift. |
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| Type | mechanical shuttle |
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| Gears | 4 forward and reverse |
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Dimensions
Tracks| Width | 7 inches | 17 cm |
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| Width | 10 inches | 25 cm |
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| Width | 12 inches | 30 cm |
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| Width | 14 inches | 35 cm |
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| Width | 18 inches | 45 cm |
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Dimensions| Length | 108.75 inches | 276 cm |
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| Height (hood) | 48.3 inches | 122 cm |
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| Height (exhaust) | 71.7 inches | 182 cm |
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| Weight | 7645 lbs | 3467 kg |
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| Gauge | 48 inches | 121 cm |
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