Farmall M Specs, Price, Weight, HP, Serial Numbers, Attachments Info

Farmall M Specs – The Farmall M is a large 3-plow row crop tractor produced by International Harvester under the Farmall brand from 1939 to 1953.

Farmall M tractor had a 4.1L 4-cylinder engine and a 5-speed sliding gear transmission. The Farmall M is a popular choice among tractor collectors.

The Farmall M line was replaced by the Farmall 400, and it had various variants, including the MDV (diesel, high crop), MD (diesel), MV (high crop), Super M, and others.

The Farmall M tractor was available in different models and was made in the USA, Britain and Australia.

Scroll down to learn more about the Farmall M Specs, price, Weight, Horsepower, Serial numbers, History, Attachments, and other details. 

Farmall M Specs, Price, Weight, Serial Numbers, Attachments Info

Farmall M Price, History, Year By Serial Numbers

Farmall M History

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 Farmall  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 Farmall 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 Year By Serial Numbers

1939FBK501
1940FBK7240
1941FBK25371
1942FBK50988
1943FBK60011
1944FBK67424
1945FBK88085
1946FBK105564
1947FBK122823
1948FBK151708
1949FBK180514
1950FBK213579
1951FBK247518
1952FBK290923
FinalFBK298218

Farmall M Specs

distillate Engine Detail

International Harvester
distillate
4-cylinder
liquid-cooled vertical I-head
Displacement247.7 ci
4.1 L
Bore/Stroke3.875×5.25 inches
98 x 133 mm
Compression4.75:1
 4.5:1 *
Rated RPM1,450
Firing order1-3-4-2
Oil capacity8 qts
7.6 L
Coolant capacity24 qts
22.7 L
Sparkplug gap0.025 inches
0.635 mm
Point gap0.013 inches (Magneto)
0.330 mm
 0.020 inches (Distributer)
0.508 mm
Intake valve clearance0.017 inches*
0.432 mm
Exhaust valve clearance0.017 inches*
0.432 mm

gasoline Engine Detail

International Harvester C248
gasoline
4-cylinder
liquid-cooled vertical I-head
Displacement247.7 ci
4.1 L
Bore/Stroke3.875×5.25 inches
98 x 133 mm
Compression5.65:1
Rated RPM1450
Firing order1-3-4-2
Oil capacity8 qts
7.6 L
Coolant capacity24 qts
22.7 L

Transmission

Typesliding gear
Gears5 forward and 1 reverse

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

Mechanical

Two-wheel drive
Manual steering
Mechanical contracting band brakes
Open operator station.

Hydraulics

TypeLift-All *
Pressure500 psi (early)
34.5 bar
 800 psi (late)
55.2 bar

Power Take-off (PTO)

Rear RPM540 (1.375)

Farmall M Tires

Ag front6.00-16
Ag rear11-38
Ag front22.50×4 (steel)
Ag rear51×8 (steel)
 10-38
 12-38
 11.25-36

Dimensions

Wheelbase88.5 inches
224 cm
Length133 inches
337 cm
Width84 inches
213 cm
Height78.3 inches
198 cm
Shipping weight4858 lbs
2203 kg
Ballasted weight6770 lbs
3070 kg
Front tread9.125 inches
23 cm
Rear tread52 to 88 inches
132 to 223 cm

Farmall M Attachments

International Harvester 30 Loader
ParameterImperialMetric
5000 lbs breakout2268 kg 
1500 lbs breakout680 kg 
96 inches height243 cm 
Boom cyl3.0 in7 cm
Weight1270 lbs576 kg
Bucket width43.5 in110 cm

 

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