Farmall M Tractor Serial Numbers, Price, Review, Specs, Engine Oil Capacity, History, Features & Pictures
The Farmall M Row-Crop tractor was made by International Harvester under the Farmall brand from 1939 to 1953. It was the biggest row-crop tractor they produced at that time and was designed by Raymond Loewy.
Farmall M was one of the two main row-crop tractors made by IH from the late 1930s to the early 1950s, alongside the Farmall H tractor and its variants.
The Farmall M tractor has a four-cylinder engine with a 248-cubic-inch (4,060cc) size and uses a six-volt electrical system.
Its transmission has six gears in total: five forward gears and one reverse gear. In 1952, the standard Farmall M tractor cost $2,400 (which would be around $23,107 in 2019).
If you want to know more about the Farmall M Tractor, including its review, price, specifications, horsepower, features, and images, keep reading. I hope this information is helpful to you.
Farmall M Tractor Price

Farmall M Original Price: $2,400 (1952 )
The New price of a Farmall M tractor for sale can vary depending on several factors such as condition, age, location, and demand.
how much is a farmall m worth? Yesterday’s Tractors suggests that when selling a Farmall M, you can expect to get between $2,500 and $3,000 for it.
Farmall M Tractor Review Video
Farmall M Tractor Specifications
The Farmall M tractor is a bigger tractor in the Farmall series that can pull three or four plows. It was made starting in 1939 and has a 4-cylinder, vertical engine with a 3-speed transmission.
The specifications include a bore/stroke of 3.875×5.25 inches [98 x 133 mm], compression ratio of 4.75:14.5:1 for kerosene, and an RPM of 1,450. It claims to have 25 horsepower (18.6 kW) for drawbar power and 31-33 horsepower (23.1 kW) for belt power. The Farmall M height is 1,980 mm (78 in), its weight is 3,070 kg (6,768 lbs), and it can hold 21 US gal (79.5) liters of a fuel tank.
There were different types of the Farmall M tractor, like the MD with a diesel engine, MV for high-crop fields, MDV with a diesel engine for high-crop fields, AM (Australian-built M), BM (British-built M), W-6 with a standard front, and I-6 for industrial use. Here are some specifications and details about the Farmall M tractor.
Farmall M Engine
International Harvester 4.1L 4-cyl distillate Engine
Type | International Harvester distillate 4-cylinder liquid-cooled vertical I-head |
Displacement: | 247.7 ci [4.1 L] |
Bore/Stroke: | 3.875×5.25 inches [98 x 133 mm] |
Compression: | 4.75:1 |
4.5:1* | |
Rated RPM: | 1,450 |
Firing order: | 1-3-4-2 |
Farmall M Engine Oil Capacity | 8 qts [7.6 L] |
Coolant capacity: | 24 qts [22.7 L] |
Sparkplug gap: | 0.025 inches [0.635 mm] |
Point gap: | 0.013 inches [0.330 mm] |
Intake valve clearance: | 0.017 inches [0.432 mm ] |
Exhaust valve clearance: | 0.017 inches [0.432 mm] |
International Harvester 4.1L 4-cyl Gasoline Engine
Type | International Harvester C248 gasoline 4-cylinder liquid-cooled vertical I-head |
Displacement: | 247.7 ci [4.1 L] |
Bore/Stroke: | 3.875×5.25 inches [98 x 133 mm] |
Compression: | 5.65:1 |
Rated RPM: | 1450 |
Firing order: | 1-3-4-2 |
Oil capacity: | 8 qts [7.6 L] |
Coolant capacity: | 24 qts [22.7 L] |
Farmall M Transmission
Type: | sliding gear |
Gears: | 5 forward and 1 reverse |
Farmall M POWER
Drawbar (claimed): | 25 hp 18.6 kW |
Belt (claimed): | 31-33 hp 23.1 kW |
Plows: | 3 (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
Chassis: | 4×2 2WD |
Steering: | manual |
Brakes: | mechanical contracting band |
Cab: | Open operator station. |
Transmission: | 5-speed sliding gear |
Power Take-off (PTO)
Rear RPM | 540 (1.375) |
Hydraulics
farmall m 3 point hitch
Type | Lift-All * |
Pressure | 500 psi (early) 34.5 bar |
800 psi (late) 55.2 bar |
Farmall M Dimensions
Length: | 133 inches 337 cm |
Width: | 84 inches 213 cm |
Height: | 78.3 inches 198 cm |
Shipping: | 4858 lbs 2203 kg |
Ballasted: | 6770 lbs 3070 kg |
Farmall M TYRES
Ag front: | 6.00-16 |
Ag rear: | 11-38 |
Ag front: | 22.50×4 (steel) |
Ag rear: | 51×8 (steel) |
10-38 | |
12-38 | |
11.25-36 |
The Farmall M year by Serial Numbers
Location – Data plate on the left side of the engine area.
- 1939: FBK501
- 1940: FBK7240
- 1941: FBK25371
- 1942: FBK50988
- 1943: FBK60011
- 1944: FBK67424
- 1945: FBK88085
- 1946: FBK105564
- 1947: FBK122823
- 1948: FBK151708
- 1949: FBK180514
- 1950: FBK213579
- 1951: FBK247518
- 1952: FBK290923
- Final: FBK298218
Farmall M Attachments

International Harvester 30 Loader
breakout Force | 5000 lbs (2268 kg) |
breakout (at pin) | 1500 lbs (680 kg) |
height (at pin) |
96 inches (243 cm)
|
boom cyl: |
3.0 inches (7 cm)
|
weight: |
1270 lbs (576 kg)
|
Bucket width: |
43.5 inches (110 cm)
|
Farmall M Official Website – Click Here
Also, Check Here:
Farmall M History
Between 1939 and 1953, International Harvester was the first company to make the Farmall M tractor.
The Case IH Farmall became the most famous three-plow row-crop tractor on the market very quickly.
Still, it is thought to be one of the best tractors ever made. It was made to be powerful, strong, and flexible, which made it a great tool for farming in the 21st century.
Out of the total number of tractors made, 57,092 were made.
Over time, it has changed and improved a lot. For example, the engine has been upgraded, and it now has power steering and other new features. Today, it is called the Case IH Farmall Super M tractor.
The Farmall M is still one of the most popular tractors for big farms, small businesses, and people who just like to drive them around. The Farmall M is still a popular tractor for many farmers because it looks great, works well, and has a wide range of parts available.
Final Words
That’s all about the Farmall M Tractor Price, Specification, and Features. But If you have any problem regarding this post, then please comment in the below comment box. I will try to solve your problem as soon as possible. Thanks.
FAQs
The Farmall M is a tractor model produced by International Harvester from 1939 to 1952. Durability, versatility, and adaptability to various agricultural tasks characterize its usefulness for successful agricultural operations.
The Farmall M is equipped with a four-cylinder gasoline engine with a displacement of 284 cubic inches.
The horsepower of the Farmall M varies depending on the year and model but ranges from 38 to 50 horsepower.
The fuel capacity of the Farmall M is 15 gallons.
The Farmall M features a five-speed manual transmission with one reverse gear.
The weight of the Farmall M ranges from approximately 4,200 to 4,500 pounds, depending on the model.
Loading up when the throttle is advanced, bucking and popping, and having no power with little puffs of smoke from the exhaust like it is flooding
There are several online retailers that specialize in Farmall parts, as well as local farm equipment dealerships and salvage yards.
Yes, there are different oil filters available for Farmall M tractors. there are different oil filter models available for Farmall M tractors depending on the engine and configuration.
For example, the Farmall M oil filter element is a cartridge type with a gasket and is compatible with gas engines C248, C335, and C350.
The Farmall M was first introduced in 1939 as an upgrade to the popular Farmall H model. World War II saw widespread use for agricultural and military applications of this machine, which continued production up until 1952.
Some tips for using a Farmall M include checking the oil and fluids regularly, using the correct attachments for the task at hand, and following safe operating procedures.
Farmall m 3-point hitch Kit:
With a quick hitch, implements are swappable with any 3-point tractor and are hitched up in seconds, without even pulling a pin or leaving the driver’s seat.

My name is Ranjitsinh Mantri founder of this blog and I am a full-time blogger writing is my passion. Just before 4 years ago We started this website in 2019 with my team to share our knowledge about tractor models and its prices guide on the internet.
Hi,
Not sure whether this site can help, but I have a farmall m (possibly english) with the serial no B5450.
Can you help identify where and when it was made?
Cheers