Farmall M


Farmall M tractor photo
1939 - 1954
Row-Crop tractor
Series map:
H
M
26.7hp*
38.0hp*
*Estimated engine power for comparison only.
Production
ManufacturerFarmall (a part of International Harvester)
Row-Crop tractor
Built in Rock Island, Illinois, USA
Total built270,140
Original price$1,440 (1946 )
$2,600 (1952 )
The M was also available in the MV high-clearance "vegetable version" and the MD diesel. The Farmall M was the row-crop version of the McCormick-Deering W-6. In the late 1950s, the M continued production at Doncaster after it had ceased at the Farmall Works, these are often referred to as a model BM.
Variants
MDdiesel engine
MVhigh-crop
MDVdiesel high-crop
AMAustralian-built M, built 1949-1954
BMBritish-built M
W-6standard-front
I-6industrial
Farmall M Engines
International Harvester 4.1L 4-cyl distillate
International Harvester 4.1L 4-cyl gasoline
Fuel tank21 gal
79.5 L
Aux. fuel1 gal
3.8 L
Engine details ...
Farmall M Power
Drawbar (claimed)25 hp
18.6 kW
Belt (claimed)31-33 hp
23.1 kW
Plows3 (14-inch)
Drawbar (tested)33.1 hp
24.7 kW
PTO (tested)36.07 hp
26.9 kW
Belt (tested)36.66 hp
27.3 kW
Performance test details ...
Mechanical
Two-wheel drive
Manual steering
Mechanical contracting band brakes
Open operator station.
Hydraulics
TypeLift-All *Optional. Transmission-driven pump.
Pressure500 psi (early)
34.5 bar
 800 psi (late)
55.2 bar
Power Take-off (PTO)
Rear RPM540 (1.375)
Dimensions & Tires
Wheelbase88.5 inches
224 cm
Weight4858 lbs
2203 kg
Front tire6.00-16
Rear tire11-38
Full dimensions and tires ...
M Serial Numbers
1939FBK501
1940FBK7240
1941FBK25371
1942FBK50988
1943FBK60011
1944FBK67424
1945FBK88085
1946FBK105564
1947FBK122823
1948FBK151708
1949FBK180514
1950FBK213579
1951FBK247518
1952FBK290923
FinalFBK298218

FAQ: How to read a serial number table.
M Serial Location
Farmall M serial number location
Data plate on the left side of the engine area.
References
M references literature
Farmall Letter Series Tractors by Lee Klancher
No. 30 Power Loader published by International Harvester
Operator's Manual Farmall M and MV
General Line Catalog published in 1949, by International Harvester
Page information
Contact: Peter Easterlund
Updated on January 17, 2023
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