Farmall F-12 tractor specifications

1932 - 1938

Series:

Series:F-12 → F-20F-14 ↓

1932 - 1939

Row-Crop tractor

Production

Production
Manufacturer:	Farmall (a part of International Harvester)
Type:	Row-Crop tractor
Factory:	Rock Island, Illinois, USA
Total built:	154,398
Original price:	$1000 (1936 )
The Farmall F-20 was originally advertised as the "Increased-Power Farmall", and was similar to the orginal Farmall. The tractor paint scheme changed from gray to red on November 1, 1936 (the beginning of the 1937 production year). A number of F-20s were built in early 1934 using the Farmall Regular rear end and F-20 engine. These tractors are identified by a TA serial number prefix.

Farmall F-20 Power

Farmall F-20 Power
Drawbar (claimed):	19.6 hp 14.6 kW
PTO (claimed):	26.67 hp 19.9 kW
Plows:	2
Drawbar (tested):	20.66 hp 15.4 kW
Belt (tested):	28.0 hp 20.9 kW
power test details ...

Farmall F-20 Engine

Farmall F-20 Engine
International Harvester 3.6L 4-cyl distillate
Fuel tank:	13 gal 49.2 L
Aux. fuel:	0.875 gal 3.3 L
Engine details ...

Mechanical

Mechanical
Chassis:	4x2 2WD
Steering:	manual
Brakes:	mechanical band
Cab:	Open operator station.
Transmission:	4-speed sliding gear
Transmission details ...

Power Take-off (PTO)

Power Take-off (PTO)
Rear PTO:	transmission
Rear RPM:	540 (1.125)
Engine RPM:	505@1200

Dimensions & Tires

Dimensions & Tires
Wheelbase:	85 inches 215 cm
Weight:	4400 lbs 1995 kg
Front tire:	25x4
Rear tire:	40x6
Full dimensions and tires ...

F-20 Serial Numbers

F-20 Serial Numbers
Location:	Serial number plate under the fuel tank of the Farmall F-20.
photo of F-20 serial number
1932:	FA-501
1933:	------
1934:	FA-3001
1935:	FA-9760
1936:	FA-41123
1937:	FA-72982
1938:	FA-112201
1939:	FA-136042
Final:	FA-148810
1934:	TA-135000 (old style countershaft)
how to read serial numbers...

Belt Pulley

Belt Pulley
Diameter:	14 inches 35 cm
Width:	6.5 inches 16 cm
RPM:	654
Speed:	2395 ft/min 730.00 meters/min

Production

Production Manufacturer:Farmall (a part of International Harvester)
Factories:Chicago, Illinois, USA
Neuss, Germany
Total built:123,442 USA
2,848 Germany

Variants

Variants F-12-G:German-built
F-12-G4:German-built, four-speed
W-12:McCormick standard-front

1934 - 1938

Standard-tread tractor

Series:

Series:	W-12
	W-14 ↓

Production

Production
Manufacturer:	McCormick-Deering (a part of International Harvester)
Type:	Standard-tread tractor
Factory:	Chicago, Illinois, USA
Total built:	3,633

Variants

Variants
F-12:	row-crop
W-12:	standard
O-12:	orchard
I-12:	industrial

McCormick-Deering W-12 Power

McCormick-Deering W-12 Power
Drawbar (claimed):	10 hp 7.5 kW
Belt (claimed):	15 hp 11.2 kW
Plows:	1
Drawbar (tested):	13.52 hp 10.1 kW
Belt (tested):	17.65 hp 13.2 kW
power test details ...

McCormick-Deering W-12 Engine

McCormick-Deering W-12 Engine
International Harvester 1.9L 4-cyl distillate
Fuel tank:	11 gal 41.6 L
Aux. fuel:	0.75 gal 2.8 L
Engine details ...

Mechanical

Mechanical
Chassis:	4x2 2WD
Steering:	manual
Cab:	Open operator station.
Transmission:	3-speed unsynchronized gear
Transmission details ...

Power Take-off (PTO)

Power Take-off (PTO)
Rear RPM:	567

Dimensions & Tires

Dimensions & Tires
Wheelbase:	60 inches 152 cm
Weight:	2900 lbs 1315 kg
Front tire:	22.50x3.50
Rear tire:	42x8
Full dimensions and tires ...

W-12 Serial Numbers

W-12 Serial Numbers
1934:	503
1935:	1356
1936:	2031
1937:	2769
1938:	3799
Final:	4133
1934:	512 (I-12)
1935:	775 (I-12)
1936:	975 (I-12)
1937:	1525 (I-12)
1938:	2495 (I-12)
Final:	2703 (I-12)
how to read serial numbers...

Belt Pulley

Belt Pulley
Diameter:	13.25 inches 33 cm
Width:	6.25 inches 15 cm
RPM:	787
Speed:	2730 ft/min 832.10 meters/min

Farmall F-12 Power

Farmall F-12 Power Drawbar (claimed):10 hp
7.5 kW
Belt (claimed):13 hp
9.7 kW
Plows:1
Drawbar (tested):12.31 hp
9.2 kW
Belt (tested):16.20 hp
12.1 kW
power test details ...

1932 - 1938

Series:

Series:	F-12	→ F-20
	F-14 ↓

Nebraska Tractor Test 212

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

Nebraska Tractor Test 220

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

Farmall F-12 Engines

Farmall F-12 Engines International Harvester 1.9L 4-cyl gasoline Waukesha 1.9L 4-cyl gasoline Fuel tank:13 gal
49.2 L
Engine details ...

1932 - 1938

Series:

Series:	F-12	→ F-20
	F-14 ↓

Engines overview

Engines overview
International Harvester 1.9L 4-cyl gasoline
Waukesha 1.9L 4-cyl gasoline

Engine Detail

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

Engine Detail

Engine Detail
Waukesha
gasoline
4-cylinder
liquid-cooled
Original engine, used on early models
Displacement:	113 ci 1.9 L

Mechanical

Mechanical Chassis:4x2 2WD
Steering:manual
Cab:Open operator station.
Transmissions:3-speed unsynchronized gear
4-speed
Transmission details ...

1932 - 1938

Series:

Series:	F-12	→ F-20
	F-14 ↓

Transmissions overview

Transmissions overview
3-speed unsynchronized gear
4-speed

Transmission

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

Speeds

Speeds

Transmission

Transmission
Gears:	4 forward and 1 reverse

Power Take-off (PTO)

Power Take-off (PTO) Rear RPM:540 (1.125)

Dimensions & Tires

Dimensions & Tires Wheelbase:76 inches
193 cm
Weight:2700 lbs
1224 kg
Front tire:23x6
Rear tire:54x6
Full dimensions and tires ...

1932 - 1938

Series:

Series:	F-12	→ F-20
	F-14 ↓

Farmall F-12 Tires

Farmall F-12 Tires
Ag front:	23x6 (steel)
Ag rear:	54x6 (steel)

Dimensions

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

F-12 Serial Numbers

F-12 Serial Numbers 1932:501 (Chicago)
1933:526 (Chicago)
1934:4881 (Chicago)
1935:17411 (Chicago)
1936:48660 (Chicago)
1937:81837 (Chicago)
1938:117518 (Chicago)
1938:NT101 (Neuss)

how to read serial numbers...