Allis-Chalmers HD3 Specs ( 1960-1968 )
Production
| Description | Agricultural Crawler tractor / Built in Springfield, Illinois, USA / The Allis-Chalmers H3 crawler was based on the diesel-powered D15 farm tractor. |
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| Manufacturer | Allis Chalmers |
Engine
| Engine type | Allis Chalmers 2.9L 4-cyl diesel |
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| Air cleaner | oil bath |
| Bore/Stroke | 3.562x4.375 inches (90 x 111 mm) |
| Coolant capacity | 9 qts (8.5 L) |
| Description | Allis Chalmers / diesel / 4-cylinder / liquid-cooled |
| Displacement | 175 ci (2.9 L) |
| Fuel system | Roosa-Master injection pump |
| Rated RPM | 1650 |
| Starter | electric |
| Starter volts | 12 |
| Drawbar (tested) | 26.17 hp (19.5 kW) |
| PTO (tested) | 32.53 hp (24.3 kW) |
Transmission
| Clutch | wet disc (Power Director) |
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| Description | Four gears (1-4) plus reverse (R) with two-speed high/low power shift. |
| Gears | 8 forward and 2 reverse / 4 forward and reverse |
| Transmission | Power Director |
| Type | two-speed power shift / mechanical shuttle |
| Transmission type | 8-speed two-speed power shift / 4-speed mechanical shuttle |
| Transmission type | 8-speed two-speed power shift / 4-speed mechanical shuttle |
Mechanical
| Cab | Open operator station. |
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| Description | Mechanical contracting band brakes |
| Drive | crawler |
| Steering | mechanical clutches |
Capacity
| Fuel | 14 gal (53.0 L) |
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| Hydraulic system | 16.5 gal (62.5 L) |
Hydraulics
| Capacity | 16.5 gal (62.5 L) |
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| Pump flow | 15 gpm (56.8 lpm) |
| Type | open center |
| Valves | 1 to 3 |
PTO
| Rear PTO | optional |
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| Rear PTO Type | 540 |
Dimensions & Tires
| Gauge | 48 inches (121 cm) |
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| Height (exhaust) | 71.7 inches (182 cm) |
| Height (hood) | 48.3 inches (122 cm) |
| Length | 108.75 inches (276 cm) |
| Weight | 7645 lbs (3467 kg) |
Allis Chalmers HD3 Tracks
| Width | 7 inches (17 cm) / 10 inches (25 cm) / 12 inches (30 cm) / 14 inches (35 cm) / 18 inches (45 cm) |
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Allis Chalmers HD3 attachments
| Description | blade / front-end loader / backhoe |
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Dimensions & Tracks
| Description | 7-inch tracks |
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| Weight | 7645 lbs (3467 kg) |
HD3 Serial Numbers
| 1960 | 1001 |
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| 1961 | 1250 |
| 1962 | 3199 |
| 1963 | 6001 |
| 1964 | 6945 |
| 1965 | 7890 |
| 1966 | 8856 |
| 1967 | 9483 |
| 1968 | 9700 |
| Description | FAQ: How to read a serial number table. |
| Final | 9949 |
Nebraska Tractor Test 794
| Description | Diesel 8-speed crawlerMay 12 - 26, 1961Link: Nebraska Tractor Test 794 file / PTO performance / Drawbar performance / Gear 2H used for power test. / Gear 1L used for pull test. |
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| Fuel use | 2.6 gal/hour (9.8 l/hour) / 2.6 gal/hour (9.8 l/hour) |
| Max power | 26.17 hp (19.5 kW) |
| Max pull | 8207 lbs (3722 kg) |
| Power at rated engine speed | 32.53 hp (24.3 kW) |
References
| Description | H3 / HD-3 Industrial Crawler Tractors published in 1967, by Allis Chalmers / HD-3 published in 1964, by Allis Chalmers / Industrial Tractor Equipment published in 1962, by Allis Chalmers / Farm Crawlers published in 1962, by Allis Chalmers |
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Variants
| H3 | gas engine |
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| HD3 | diesel engine |