Farmall MD


Farmall MD tractor photo
1941 - 1952
Row-Crop tractor
Series map:
MD
38.9hp*
*Estimated engine power for comparison only.
Production
ManufacturerFarmall (a part of International Harvester)
Row-Crop tractor
Built in Rock Island, Illinois, USA
Total built18,253
Original price was $2,400 in 1952
The Farmall MD was the diesel version of the M. The MD was started on gasoline, by pulling a lever which enlarged the combustion chamber (to lower the compression) and closed the circuit for the spark plugs. After the engine was warm, it was switched over to diesel.
Variants
WD-6standard-front
ID-6industrial
Mgasoline engine
Farmall MD Engine
International Harvester 4.1L 4-cyl diesel
Fuel tank20 gal
75.7 L
Aux. fuel1 gal
3.8 L
Engine details ...
Farmall MD Power
PTO (claimed)35 hp
26.1 kW
Plows3 (14-inch)
Drawbar (tested)33.58 hp
25.0 kW
Belt (tested)38.21 hp
28.5 kW
Performance test details ...
Mechanical
Two-wheel drive
Steeringmanual
Differential mechanical contracting band brakes
Open operator station.
Hydraulics
TypeLift-All, transmission-driven
Pressure500 psi (early)
34.5 bar
 800 psi (late)
55.2 bar
Power Take-off (PTO)
Rear PTO Type540
Dimensions & Tires
Weight5000 lbs
2268 kg
Front tire6.50-16
Rear tire12-38
Full dimensions and tires ...
MD Serial Number Location
Farmall MD serial number location
MD Serial Numbers
194125371
194250988
194360011
194467424
194588085
1946105564
1947122823
1948151708
1949180514
1950213579
1951247518
1952290923

FAQ: How to read a serial number table.
Electrical
Groundpositive
Batteries2
Battery volts6
References
MD references literature
General Line Catalog published in 1949, by International Harvester
Page information
Peter Easterlund - owner of TractorData.com
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Peter Easterlund - owner/author
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Updated on March 16, 2025
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