Allis Chalmers HD6
General tractor information:
	Manufacturer:	Allis Chalmers
	Model:	HD6
	Type:	Farm/Agricultural tractor
	Years produced:	1955 - 1965
	Total built:	-unknown-
	Factory:	Springfield, IL
	Original price:	-unknown-
Tractor power:
	Drawbar (rated):	39 hp [29.1 kW]
	Drawbar (max):	50 hp [37.3 kW]
	Belt:	54 hp [40.3 kW]
Engine:
	Manufacturer:	Allis-Chalmers
	Fuel:	diesel
	Type:	vertical I-head
	Cylinders:	4
	Bore/Stroke:	4.4375x5.5626 inches [113 x 141 mm]
	Displacement:	344 ci [5.6 L]
	Compression:	15.0:1
	Rated RPMs:	1800
	Cooling:	-unknown-
	Torque:	-unknown-
	Firing order:	-unknown-
Engine:
	Manufacturer:	Allis-Chalmers
	Fuel:	diesel
	Aspiration:	turbo
	Type:	vertical I-head
	Cylinders:	4
	Bore/Stroke:	4.4375x5.5626 inches [113 x 141 mm]
	Displacement:	344 ci [5.6 L]
	Compression:	16.25:1
	Rated RPMs:	1800
	Cooling:	-unknown-
	Torque:	-unknown-
	Firing order:	-unknown-
	Comments:	Turbocharged version available on the HD6AG, produced 90HP
Transmission:
	Type:	sliding gear
	Forward:	5
	Reverse:	1
Mechanical:
	Chassis:	crawler
	Steering:	-unknown-
	Brakes:	-unknown-
Capacity:
	Fuel:	37 gal [140 L]
	Coolant:	15 qts [14.2 L]
Power Take-off (PTO):
Tires:
	Ag front:	tracks
	Ag rear:	tracks
Dimensions:
	Weight:	13,400 lbs [6078 kg]
	Wheelbase:	-unknown-
	Length:	127 inches [322 cm]
	Width:	-unknown-
	Height:	66 inches [167 cm]
	Ground clearance:	-unknown-
Electrical:
	Starter volts:	24
Battery:
	Number:	2
	Volts:	12
Nebraska Tractor Test 552:
	Test Date:	July 1956
	Engine:	-unknown-
	Belt (max):	60.5 hp [45.1 kW]
	Drawbar (max):	50 hp [37.3 kW]
HD6 Serial Numbers:
Location: Steering clutch housing or instrument panel
Allis Chalmers HD6 links:
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Last updated on April 25, 2008