Farmall · Super Series series

Farmall Super M

Name: Farmall Super M
Brand: Farmall

Row-crop tractor · 1952–1954 · Gasoline

The Farmall Super M was International Harvester's upgraded successor to the M, produced from 1952 to 1954 with a larger 264-cubic-inch engine and a stronger drivetrain. It represented the final and most powerful evolution of the original Letter Series three-plow tractor before IH moved to the numbered 300/400 series. Around 57,000 were built, and diesel and LP-gas variants (Super MD, Super MD-LP) extended the platform's reach into new fuel markets.

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Photo: greefus groink. License: CC BY-SA 2.0.

belt power: 51.4 hp
Weight: 5,603 lb (2,541 kg)
Displacement: 264 ci (4.3 L)
Total built: 57,092

Overview
Type	Row-crop
Series	Super Series
Production	1952–1954
Factory	Rock Island, Illinois, USA
Total built	57,092

Engine
Make	International Harvester
Model	C-264
Fuel	Gasoline
Cylinders	4
Displacement	264 ci (4.3 L)
Bore × stroke	4x5.25 in
Rated speed	1,450 rpm
Cooling	liquid-cooled
Aspiration	Naturally aspirated

Power
Drawbar power	44 hp (32.8 kW)
Belt power	51.4 hp (38.3 kW)
Nebraska test	Nebraska Test 475

Transmission
Transmission	sliding-gear — 5 forward, 1 reverse
Chassis	4x2 2WD
Steering	manual
Brakes	mechanical

Hydraulics & hitch
Rear PTO	transmission
PTO speed	540 rpm

Dimensions & capacities
Weight	5,603 lb (2,541 kg)
Wheelbase	89.3 in (227 cm)
Length	135 in (342 cm)
Width	84.5 in (215 cm)
Height	79 in (201 cm)

History

Introduced in 1952, the Super M was IH's response to growing farmer demand for more power and drivetrain durability on the popular Farmall M chassis. Engineers bored out the engine to 264 cubic inches, strengthened the transmission and rear axle, and added a larger clutch, giving the Super M noticeably more drawbar and belt horsepower than the M it replaced while retaining the same general row-crop layout and styling cues.

The Super M's run was brief but significant: it was IH's last Letter Series flagship before the company transitioned to the numbered 300 and 400 series tractors in 1954, which introduced Torque Amplifier transmissions and further engine refinements. Diesel (Super MD) and liquified-petroleum-gas (Super MD-LP) variants broadened the model's appeal to farmers seeking cheaper fuel alternatives, cementing the Super M's reputation as one of the most capable row-crop tractors of the early 1950s.

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