Farmall F-12 Tractor

Manufacturer Farmall
Price 123,442(USD)
Model F-12
Equipment Type -
Factory Chicago, Illinois, USA

VARIANTS

F-12-G German-built
F-12-G4 McCormick standard-front

NEBRASKA TRACTOR TEST 212 2

Description Gasoline 3-speed 2WD May 1 - 10, 1933 Link: Nebraska Tractor Test 212 file Drawbar performance
Belt power (max) 16.20hp / 12.1kW
Belt fuel use (max) 1.7gal/hour / 6.4l/hour
Max power 12.31hp / 9.2kW
Max pull 1,870lbs / 848kg

NEBRASKA TRACTOR TEST 220 2

Description Kerosene 3-speed 2WD November 1 - 16, 1933 Link: Nebraska Tractor Test 220 file Drawbar performance
Belt power (max) 14.59hp / 10.9kW
Belt fuel use (max) 1.5gal/hour / 5.7l/hour
Max power 11.81hp / 8.8kW
Max pull 1,814lbs / 822kg

FARMALL F-12 POWER

Drawbar (claimed) 10hp / 7.5kW
Belt (claimed) 13hp / 9.7kW
Plows 1
Drawbar (tested) 12.31hp / 9.2kW
Belt (tested) 16.20hp / 12.1kW

ENGINES OVERVIEW

The Farmall F-12 is equipped with a Waukesha 1.9L 4-cylinder gasoline engine, providing a balance of power and efficiency for light to medium agricultural tasks. Its compact design allows for maneuverability in tight spaces, making it ideal for small farms and specialized applications. However, the outdated technology may present challenges in fuel efficiency and emissions compliance compared to modern tractors.

Description International Harvester 1.9L 4-cyl gasoline Waukesha 1.9L 4-cyl gasoline

ENGINE DETAIL 1

The Farmall F-12's 1.9L gasoline engine features a 4-cylinder vertical I-head configuration, providing moderate power for small to medium farming tasks with a displacement of 113.1 ci. A key advantage is its efficient oil bath air cleaner, which enhances air filtration and engine longevity, while operating optimally at a rated RPM of 1400. However, its limited coolant capacity of 14 quarts may pose challenges in high-temperature operations, necessitating vigilant monitoring in demanding scenarios.

Description International Harvester gasoline 4-cylinder liquid-cooled vertical I-head
Displacement 113.1ci / 1.9L
Bore/Stroke 3.00x4.00inches / 76x 102mm
Air cleaner oil bath
Rated RPM 1400
Firing order 1-3-4-2
Coolant capacity 14qts / 13.2L

ENGINE DETAIL 2

The Farmall F-12 features a Waukesha 4-cylinder gasoline engine with a displacement of 113 ci (1.9L), known for its reliability in early agricultural applications. Advantages include its liquid-cooled system, which enhances engine longevity and performance stability under load. However, the engine's relatively low displacement may limit power output for larger farming operations, potentially requiring additional machinery for heavy tasks.

Description Waukesha gasoline 4-cylinder liquid-cooled, Original engine, used on early models
Displacement 113ci / 1.9L

FARMALL F-12 ENGINES

The Farmall F-12 tractor is powered by a 1.9L 4-cylinder gasoline engine from Waukesha, providing adequate power for small to medium agricultural tasks. With a 13-gallon fuel tank, it offers reasonable fuel capacity for extended operations, but operators should ensure efficient fuel management to maximize runtime. Challenges may include potential fuel availability issues, as this model relies on gasoline; thus, a backup fuel supply is advisable for remote areas.

Description International Harvester 1.9L 4-cyl gasoline Waukesha 1.9L 4-cyl gasoline
Fuel tank 13gal / 49.2L

TRANSMISSIONS OVERVIEW

The Farmall F-12 tractor features a 3-speed unsynchronized gearbox, which may limit shifting efficiency under load compared to synchronized transmissions. Its four-speed option allows for better versatility in field operations and road travel, enhancing its overall performance. However, operators must be accustomed to double-clutching for smooth gear transitions, which can be a challenge for inexperienced users.

Description 3-speed unsynchronized gear 4-speed

TRANSMISSION 1

The Farmall F-12 tractor features an unsynchronized 3-speed forward and 1-speed reverse transmission, which can pose a challenge for seamless gear shifting, particularly under load. The dry disc clutch provides reliable engagement but may require more frequent adjustments and maintenance compared to wet clutches. This model is well-suited for light to medium chores on small to mid-sized farms, but operators should be mindful of the shifting technique to optimize performance and prevent wear.

Type unsynchronized gear
Gears 3 forward and 1 reverse
Clutch dry disc

TRANSMISSION 2

The Farmall F-12's 4 forward and 1 reverse gear configuration provides basic versatility for farm operations, suitable for light to medium-duty tasks. However, the limited gear options may pose challenges in varying terrain, resulting in decreased efficiency in both speed and torque management. When employing the F-12 for plowing or disking, operators may need to shift frequently to compensate for its lower gear ratios.

Gears 4 forward and 1 reverse

MECHANICAL

The Farmall F-12's 4x2 2WD chassis offers simplicity and lower maintenance compared to 4WD models, making it advantageous for small-scale farming or lighter tasks. Its manual steering and open operator station provide a basic user experience, which may lack comfort and ease of operation in rugged terrain. The 3-speed unsynchronized transmission necessitates operator skill for smooth shifting, posing a challenge in productivity compared to modern synchronized setups, but allows for straightforward operation when familiarized.

Chassis 4x2 2WD
Steering manual
Cab Open operator station
Transmissions 3-speed unsynchronized gear 4-speed

POWER TAKE-OFF (PTO)

Rear RPM 540 (1.125)

FARMALL F-12 TIRES

The Farmall F-12 features a robust steel agricultural tire configuration, with a front size of 23x6 and a rear size of 54x6. Its wider rear tires provide enhanced traction and stability for heavy tillage tasks, while the narrow front tires can facilitate maneuverability in tighter spaces. However, the all-steel tire construction may result in a harsher ride compared to pneumatic options, impacting operator comfort during extended usage.

Ag front 23x6 (steel)
Ag rear 54x6 (steel)

DIMENSIONS

Wheelbase 76inches / 193cm
Length 125.5inches / 318cm
Width 74.25inches / 188cm
Height 62.5inches / 158cm
Shipping weight 2700lbs / 1224kg
Rear tread 44 to 79inches / 111to 200cm

DIMENSIONS & TIRES

The Farmall F-12 features a compact wheelbase of 76 inches, contributing to its maneuverability in tight spaces typical in small to mid-sized farms. Weighing 2,700 lbs allows for considerable traction, especially with its rear tire configuration of 54x6, ideal for field work. However, the relatively light weight may pose a challenge in wet or muddy conditions, leading to potential slippage and reduced performance.

Wheelbase 76inches / 193cm
Weight 2700lbs / 1224kg
Front tire 23x6
Rear tire 54x6

F-12 SERIAL NUMBERS

1932 501 (Chicago)
1933 526 (Chicago)
1934 4881 (Chicago)
1935 17411 (Chicago)
1936 48660 (Chicago)
1937 81837 (Chicago)
1938 NT101 (Neuss)

BELT PULLEY

Diameter 12.375inches / 31cm
Width 6.25inches / 15cm
RPM 800
Speed 2591ft/min / 789.74meters/min


Last Updated 2025-01-01
Stephen is a passionate tractor hobbyist with a deep-seated love for all things mechanized and agricultural. Growing up in a rural setting, he developed a fascination with these mighty machines that have played a crucial role in shaping the farming industry.

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