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Allis Chalmers HD6

Allis Chalmers HD6 tractor
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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.
Allis Chalmers HD6tractorcrawler tractordiesel engine57 hp5-speed transmissionpower shiftagricultural tractor
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)