Allis Chalmers
Allis Chalmers HD6
The Allis Chalmers HD6 is an agricultural crawler tractor produced from 1955 to 1974. It features a 5.6L 4-cylinder diesel engine delivering 57 hp net power. The tractor offers multiple variants including different gauges and power shift options. It has a 5-speed sliding gear or 2-speed power shift transmission, crawler drive, and an open operator station. Dimensions include a length of 127 inches, width of 78.5 inches, and height of 66 inches, with operating weight around 13,400 lbs. The HD6 was built in Springfield, Illinois, USA.
Power57 hp
Founded1955 - 1974
ModelHD6
Technical Specifications
Detailed specifications and technical data for Allis Chalmers HD6
Power
| Engine (net) | 57 hp (42.5 kW) |
|---|---|
| Belt (tested) | 60.51 hp (45.1 kW) |
| Belt (claimed) | 55 hp (41.0 kW) |
| Drawbar (tested) | 49.95 hp (37.2 kW) |
| Drawbar (claimed) | 45 hp (33.6 kW) |
Engine
| Type | diesel |
|---|---|
| Model | Allis-Chalmers HD-344 |
| Cooling | liquid-cooled vertical I-head |
| Cylinders | 4-cylinder |
| Fuel tank | 40 gal (151.4 L) |
| Rated RPM | 1800 |
| Bore/Stroke | 4.4375x5.5626 inches (113 x 141 mm) |
| Compression | 15.0:1 |
| Power (net) | 57 hp (42.5 kW) |
| Displacement | 344 ci (5.6 L) |
| Oil capacity | 10 qts (9.5 L) |
| Starter volts | 24 |
| Coolant capacity | 15 qts (14.2 L) |
Tracks
| Width | 13 inches (33 cm) |
|---|
Variants
| HD6A | 44-inch gauge |
|---|---|
| HD6B | 60-inch gauge |
| HD6E | 5-roller |
| HD6G | loader |
| HD6AG | turbocharged |
| HD6EP | power shift |
Dimensions
| Width | 78.5 inches (199 cm) |
|---|---|
| Height | 66 inches (167 cm) |
| Length | 127 inches (322 cm) |
| Gauge HD6A | 44 inches (111 cm) |
| Gauge HD6B | 60 inches (152 cm) |
| Shipping weight | 12400 lbs (5624 kg) |
| Operating weight | 13400 lbs (6078 kg) |
Mechanical
| Drive | crawler |
|---|---|
| Operator station | Open operator station |
Production
| Type | Agricultural Crawler tractor |
|---|---|
| Built in | Springfield, Illinois, USA |
| Years produced | 1955 - 1974 |
Transmission
| Options | 5-speed sliding gear, 2-speed power shift |
|---|---|
| Power shift type | power shift |
| Power shift gears | 2 forward and reverse |
| Sliding gear type | sliding gear |
| Sliding gear gears | 5 forward and 1 reverse |
| Sliding gear oil capacity | 20 qts (18.9 L) |
Serial Numbers
| 1955 | 101 |
|---|---|
| 1956 | 1147 |
| 1957 | 6466 |
| 1958 | 7948 |
| 1959 | 10054 |
| 1960 | 12506 |
| 1961 | 13777 |
| 1962 | 14898 |
| 1963 | 16042 |
| 1964 | 17105 |
| 1965 | 18189 |
| Location | Serial number stamped on the rear of steering clutch housing or on the instrument panel (upper-right) |
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