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Tractor · 1939Unverified

Farmall M

Name: Farmall M
Brand: Farmall

Farmall M — Row-Crop tractor · 34 hp. Reference specifications; pending source verification.

The Farmall M is a tractor with a rated output of 34 hp, classifying it as a compact option in its class. Manufactured from 1939 to 1954, this model features a 4-cylinder diesel liquid-cooled engine powering a two-wheel drive system with a 5-speed gearbox. The listed weight is 2203 kg, suitable for tasks covering up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

34 hp

Max power

22.8 kW

Weight

2203 kg

Catalogue coverage

Variants represented

Richest spec table

113 rows

Recorded power

34 hp

Recorded weight

2203 kg

Transmissions

5-speed sliding gear

Production years

1939-1954

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerFarmall (a part of International Harvester)Reference

Row-Crop tractorReference

Built in Rock Island, Illinois, USAReference

Total built270,140Reference

Original price$1,440 (1946 )Reference

Original price$2,600 (1952 )Reference

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.Reference

Two-wheel driveReference

Manual steeringReference

Mechanical contracting band brakesReference

Open operator station.Reference

Variants

MDdiesel engineReference

MVhigh-cropReference

MDVdiesel high-cropReference

AMAustralian-built M, built 1949-1954Reference

BMBritish-built MReference

W-6standard-frontReference

I-6industrialReference

Engine

International Harvester 4.1L 4-cyl distillateReference

International Harvester 4.1L 4-cyl gasolineReference

Fuel tank79.5 LReference

Aux. fuel3.8 LReference

Drawbar (claimed)18.6 kWReference

Belt (claimed)23.1 kWReference

Plows3 (14-inch)Reference

Drawbar (tested)24.7 kWReference

Belt (tested)27.3 kWReference

International HarvesterReference

distillateReference

4-cylinderReference

liquid-cooled vertical I-headReference

Displacement4.1 LReference

Bore/Stroke98 x 133 mmReference

Compression4.75:1Reference

Compression4.5:1Reference

Rated RPM1,450Reference

Firing order1-3-4-2Reference

Oil capacity7.6 LReference

Coolant capacity22.7 LReference

Sparkplug gap0.635 mmReference

Point gap0.330 mmReference

Point gap0.508 mmReference

Intake valve clearance0.432 mmReference

Exhaust valve clearance0.432 mmReference

International Harvester C248Reference

gasolineReference

Compression5.65:1Reference

Rated RPM1450Reference

Belt power (max)26.0 kWReference

Power at rated engine speed25.5 kWReference

Max power22.8 kWReference

Belt power (max)27.3 kWReference

Power at rated engine speed26.9 kWReference

Max power24.7 kWReference

Transmission

5-speed sliding gearReference

Typesliding gearReference

Gears5 forward and 1 reverseReference

PTO & Hydraulics

PTO (tested)26.9 kWReference

TypeLift-AllReference

Pressure34.5 barReference

Pressure55.2 barReference

Rear PTO Type540 (1.375)Reference

Dimensions

Wheelbase224 cmReference

Weight2203 kgReference

Front tire6.00-16Reference

Rear tire11-38Reference

Ag front6.00-16Reference

Ag rear11-38Reference

Ag front22.50x4 (steel)Reference

Ag rear51x8 (steel)Reference

Ag rear10-38Reference

Ag rear12-38Reference

Ag rear11.25-36Reference

Length337 cmReference

Width213 cmReference

Height198 cmReference

Shipping weight2203 kgReference

Ballasted weight3070 kgReference

Bar rear axle69 mmReference

Front tread23 cmReference

Rear tread132 to 223 cmReference

Farmall M attachments

front-end loaderReference

M Serial Number Location

Data plate on the left side of the engine area.Reference

M Serial Numbers

1939FBK501Reference

1940FBK7240Reference

1941FBK25371Reference

1942FBK50988Reference

1943FBK60011Reference

1944FBK67424Reference

1945FBK88085Reference

1946FBK105564Reference

1947FBK122823Reference

1948FBK151708Reference

1949FBK180514Reference

1950FBK213579Reference

1951FBK247518Reference

1952FBK290923Reference

FinalFBK298218Reference

FAQ: How to read a serial number table.Reference

Test results

NTTL 327: distillate 5-speed 2WDReference

NTTL 328: gasoline 5-speed 2WDReference

Distillate 5-speed 2WDSeptember 5 - 16, 1939Link: Nebraska Tractor Test 327 fileReference

Belt fuel use (max)10.6 l/hourReference

PTO performanceReference

Fuel use10.2 l/hourReference

Drawbar performanceReference

Gear 2 used for power test.Reference

Max pull1979 kgReference

Gear 1 used for pull test.Reference

Gasoline 5-speed 2WDSeptember 11 - 21, 1939Link: Nebraska Tractor Test 328 fileReference

Belt fuel use (max)11.4 l/hourReference

Fuel use11.4 l/hourReference

Max pull1935 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.

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