Tractor · 1941Unverified
Farmall MD
Farmall MD — Row-Crop tractor · 35 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
35 hp
Max power
23.5 kW
Weight
2268 kg
Hover a source tag to verify
Overview
ManufacturerFarmall (a part of International Harvester)Reference
Row-Crop tractorReference
Built in Rock Island, Illinois, USAReference
Total built18,253Reference
Original price was $2,400 in 1952Reference
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.Reference
Two-wheel driveReference
SteeringmanualReference
Differential mechanical contracting band brakesReference
Open operator station.Reference
Variants
WD-6standard-frontReference
ID-6industrialReference
Mgasoline engineReference
Engine
International Harvester 4.1L 4-cyl dieselReference
Fuel tank75.7 LReference
Aux. fuel3.8 LReference
Plows3 (14-inch)Reference
Drawbar (tested)25.0 kWReference
Belt (tested)28.5 kWReference
International HarvesterReference
dieselReference
4-cylinderReference
liquid-cooled vertical I-headReference
Displacement4.1 LReference
Bore/Stroke98 x 133 mmReference
Compression16.8:1Reference
Rated RPM1450Reference
Firing order1-3-4-2Reference
Starter volts12Reference
Coolant capacity28.4 LReference
Belt power (max)26.1 kWReference
Max power23.5 kWReference
Belt power (max)28.5 kWReference
Max power25.0 kWReference
Transmission
5-speed sliding gearReference
Typesliding gearReference
Gears5 forward and 1 reverseReference
PTO & Hydraulics
PTO (claimed)26.1 kWReference
TypeLift-All, transmission-drivenReference
Pressure34.5 barReference
Pressure55.2 barReference
Rear PTO Type540Reference
Dimensions
Weight2268 kgReference
Front tire6.50-16Reference
Rear tire12-38Reference
Ag front6.50-16Reference
Ag rear12-38Reference
Ag front22.50x4 steelReference
Ag rear51x8 steelReference
Length322 cmReference
Width215 cmReference
Height198 cmReference
Operating weight2268 kgReference
Ballasted weight3433 kgReference
Bar rear axle69 mmReference
MD Serial Numbers
194125371Reference
194250988Reference
194360011Reference
194467424Reference
194588085Reference
1946105564Reference
1947122823Reference
1948151708Reference
1949180514Reference
1950213579Reference
1951247518Reference
1952290923Reference
FAQ: How to read a serial number table.Reference
Electrical
GroundpositiveReference
Batteries2Reference
Battery volts6Reference
Test results
NTTL 368: diesel 5-speed 2WDReference
NTTL 460: diesel 5-speed 2WDReference
Diesel 5-speed 2WDMay 21 - June 18, 1941Link: Nebraska Tractor Test 368 fileReference
Belt fuel use (max)9.1 l/hourReference
Drawbar performanceReference
Gear 3 used for power test.Reference
Max pull2059 kgReference
Gear 1 used for pull test.Reference
Diesel 5-speed 2WDJune 1 - 16, 1951Link: Nebraska Tractor Test 460 fileReference
Belt fuel use (max)10.2 l/hourReference
Max pull2291 kgReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.