I&T Shop Manual for the
Allis Chalmers D12

Allis Chalmers D12
General tractor information:
	Manufacturer:	Allis Chalmers
	Model:	D12
	Type:	Farm/Agricultural tractor
	Years produced:	1959 - 1968
	Total built:	-unknown-
	Factory:	West Allis, Wisconsin, USA
	Original price:	$3,522 (1968)
Tractor power:
	Engine:	31 hp [23.1 kW]
	Drawbar (rated):	23 hp [17.2 kW]
	Drawbar (max):	29.4 hp [21.9 kW]
	PTO (max):	33.3 hp [24.8 kW]
	PTO (rated):	28.5 hp [21.3 kW]
Engine:
	Manufacturer:	Allis-Chalmers
	Fuel:	gasoline
	Type:	vertical L-head
	Cylinders:	4
	Bore/Stroke:	3.375x3.875 inches [86 x 98 mm]
	Displacement:	138.7 ci [2.3 L]
	Compression:	7.75:1
	Rated RPMs:	1650
	Cooling:	-unknown-
	Torque:	-unknown-
	Firing order:	-unknown-
Transmission:
	Type:	sliding gear
	Forward:	4
	Reverse:	1
Mechanical:
	Chassis:	4x2 2WD
	Steering:	-unknown-
	Brakes:	-unknown-
Capacity:
	Fuel:	12.5 gal [47 L]
	Coolant:	8 qts [7.6 L]
3-Point Hitch:
	Rear Hitch Category:	snap couple
	Rear lift:	-unknown-
Power Take-off (PTO):
	Rear PTO:	-unknown-
	Rear speed (RPM):	540
Tires:
	Ag front:	5.00-15
	Ag rear:	11-24
Dimensions:
	Weight:	2,800 lbs [1270 kg]
	Wheelbase:	78.75 inches [200 cm]
	Length:	-unknown-
	Width:	-unknown-
	Height:	77 inches [195 cm]
	Ground clearance:	-unknown-
Electrical:
	Volts:	6
Nebraska Tractor Test 723:
	Test Date:	October 1959
	Engine:	-unknown-
	PTO (max):	28.6 hp [21.3 kW]
	Drawbar (max):	23.6 hp [17.6 kW]
Nebraska Tractor Test 813:
	Test Date:	1962
	Engine:	-unknown-
	PTO (max):	33.3 hp [24.8 kW]
	Drawbar (max):	29.4 hp [21.9 kW]
D12 Serial Numbers:
Location: Torque housing
1959: 1001
1960: 1950
1961: 2801
1962: 3638
1963: 5501
1964: 6012
1965: 9192
1966: 9508
1967: 9830
Allis Chalmers D12 links:
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Last updated on April 25, 2008