Allis-Chalmers HD6 Specs ( 1955-1974 )

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Production

Description Agricultural Crawler tractor / Built in Springfield, Illinois, USA
Manufacturer Allis Chalmers

Engine

Engine type Allis-Chalmers 5.6L 4-cyl diesel
Fuel tank 40 gal (151.4 L)
Bore/Stroke 4.4375x5.5626 inches (113 x 141 mm)
Compression 15.0:1
Coolant capacity 15 qts (14.2 L)
Description Allis-Chalmers HD-344 / diesel / 4-cylinder / liquid-cooled vertical I-head
Displacement 344 ci (5.6 L)
Oil capacity 10 qts (9.5 L)
Power (net) 57 hp (42.5 kW)
Rated RPM 1800
Starter volts 24
Belt (claimed) 55 hp (41.0 kW)
Belt (tested) 60.51 hp (45.1 kW)
Drawbar (claimed) 45 hp (33.6 kW)
Drawbar (tested) 49.95 hp (37.2 kW)
Engine (net) 57 hp (42.5 kW)

Transmission

Gears 5 forward and 1 reverse / 2 forward and reverse
Oil capacity 20 qts (18.9 L)
Type sliding gear / power shift
Transmission type 5-speed sliding gear / 2-speed power shift
Transmission type 5-speed sliding gear / 2-speed power shift

Mechanical

Cab Open operator station.
Drive crawler

Dimensions & Tires

Gauge 44 inches (HD6A) (111 cm) / 60 inches (HD6B) (152 cm)
Height 66 inches (167 cm)
Length 127 inches (322 cm)
Operating weight 13400 lbs (6078 kg)
Shipping weight 12400 lbs (5624 kg)
Width 78.5 inches (199 cm)

Allis Chalmers HD6 Tracks

Width 13 inches (33 cm)

Dimensions & Tracks

Description 13-inch tracks
Weight 12400 to 13400 pounds

HD6 Serial Numbers

1955 101
1956 1147
1957 6466
1958 7948
1959 10054
1960 12506
1961 13777
1962 14898
1963 16042
1964 17105
1965 18189
Description FAQ: How to read a serial number table.
Location: Serial number stamped on the rear of steering clutch housing or on the instrument panel. (upper-right)

Nebraska Tractor Test 580

Belt fuel use (max) 5.3 gal/hour (20.1 l/hour)
Belt power (max) 60.51 hp (45.1 kW)
Description Diesel 5-speed crawlerJuly 7 - 14, 1956Link: Nebraska Tractor Test 580 file / Drawbar performance / Gear 2 used for power test. / Gear 1 used for pull test.
Max power 49.95 hp (37.2 kW)
Max pull 12636 lbs (5731 kg)

References

Description HD-6 published in 1955, by Allis Chalmers / Engineering-in-Action published in 1956, by Allis Chalmers / Farm Crawlers published in 1962, by Allis Chalmers / Crawler Tractor Farming published by Allis Chalmers / Big Power Farming published in 1965, by Allis Chalmers

Variants

HD6A 44-inch gauge
HD6AG turbocharged
HD6B 60-inch gauge
HD6E 5-roller
HD6EP power shift
HD6G loader