Allis Chalmers M
General tractor information:
	Manufacturer:	Allis Chalmers
	Model:	M
	Type:	Farm/Agricultural tractor
	Years produced:	1932 - 1942
	Total built:	14,524
	Factory:	Springfield, IL
	Original price:	-unknown-
Tractor power:
	Drawbar (rated):	22 hp [16.4 kW]
	Drawbar (max):	29.65 hp [22.1 kW]
	Belt:	32 hp [23.9 kW]
Engine:
	Manufacturer:	Allis Chalmers
	Fuel:	gasoline
	Type:	vertical I-head
	Cylinders:	4
	Bore/Stroke:	4.375x5.00 inches [111 x 127 mm]
	Displacement:	300.7 ci [4.9 L]
	Compression:	4.2:1 (4.7:1 later)
	Rated RPMs:	1200
	Cooling:	-unknown-
	Torque:	-unknown-
	Firing order:	-unknown-
	Comments:	Original engine used until 1936, SN 2941
Engine:
	Manufacturer:	Allis Chalmers
	Fuel:	gasoline
	Type:	vertical I-head
	Cylinders:	4
	Bore/Stroke:	4.50x5.00 inches [114 x 127 mm]
	Displacement:	-unknown-
	Compression:	-unknown-
	Rated RPMs:	1200
	Cooling:	-unknown-
	Torque:	-unknown-
	Firing order:	-unknown-
	Comments:	Used from 1936 on, SN 2942
Transmission:
	Type:	-unknown-
	Forward:	4
	Reverse:	1
Mechanical:
	Chassis:	crawler
	Steering:	-unknown-
	Brakes:	-unknown-
Capacity:
	Fuel:	24 gal [90 L]
	Coolant:	24 qts [22.7 L]
Power Take-off (PTO):
Tires:
	Ag front:	tracks
	Ag rear:	tracks
Dimensions:
	Weight:	6,200 lbs [2812 kg]
	Wheelbase:	-unknown-
	Length:	101 inches [256 cm]
	Width:	57 inches [144 cm]
	Height:	56 inches [142 cm]
	Ground clearance:	-unknown-
Electrical:
	Volts:	6
Nebraska Tractor Test 216:
	Test Date:	September 1933
	Engine:	-unknown-
	Belt (max):	35.43 hp [26.4 kW]
	Drawbar (max):	29.65 hp [22.1 kW]
Nebraska Tractor Test 239:
	Test Date:	August 1935
	Engine:	-unknown-
	Belt (max):	35.05 hp [26.1 kW]
	Drawbar (max):	28.66 hp [21.4 kW]
M Serial Numbers:
Location: right side of transmission case
1933: 1
1934: 402
1935: 842
1936: 1942
1937: 3842
1938: 7067
1939: 8127
1940: 9540
1941: 11380
1942: 12947
Allis Chalmers M links:
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Last updated on April 25, 2008