1938 Farmall F-20

New rear tires

New tubes in front, with very poor tires

Carb / magneto / throttle linkage, etc checked / adjusted in late 1990’s

Needs radiator cap – recently lost on road when moving it

Head gasket bad - Antifreeze drained

Farmall F-20                                                                                    "Row crop tractor"   

The Farmall F-20 was originally advertised as the "Increased-Power Farmall," and was similar to the original Farmall.  

The tractor paint scheme changed from gray to red on November 1, 1936, the beginning of the 1937 production year.

Manufacturer:  International Harvester

Previous model --- Farmall (Later called "Regular")                  Next model --- Farmall H    

Previous series ---  F-12                                                                  Next series --- F-30

Years:  1932 - 1940

Factory:  Rock Island, IL

Total Built:  148,699 / 154,398

                      1932 - 2500                                                                1933:  3380                                                 1934:  662

                      1935:  26,334                                                             1936:  36,033                                              1937:  35,676

                      1938:  25,268                                                             1939:  13,111                                              1940:  Unknown

Original Price:  $ 1000 in 1936, $ 1190 in 1939

Chassis:  4 x 2 2WD

Steering:  Manual

Brakes:  Differential Mechanical Dry Disc

Cab:  Open Operator Station

Fuel Capacity:  13 gallons, auxiliary fuel 0.88 gallons

PTO:  540 rpm

Serial Number:  On clutch housing, mid-line

                                          1932:  501                                               1933:  1251                                                  1934:  3001

                                          1935:  6382                                             1936:  32,716                                              1937:  68,749

                                          1938:  105,597                                       1939:  130,685                                            1940:  135,700

Engine                               220.9 cubic inch 4 cylinder, liquid cooled vertical I-head

                                           Gas / Distillate

                                           Bore:  3.75                                                                                                                    

                                           Stroke:  5.00

                                           Rated RPM:  1200

                                           Coolant capacity:  40 quarts (Early)                                                                         

                                                                            29 quarts (Late)

Transmission                    Sliding gear, 4 forward & 1 reverse

Clutch                                Dry disc

Dimensions                      Weight:  3950 / 4400 pounds

                                           Length:  140 inches

                                           Width:  87 inches

                                           Height:  76 inches

                                           Wheelbase:  85 inches

                                           Turning circle:  16 feet

                                           Tires:  Front --- 5.50 - 16 / 6.00 - 16                                                                         Rear --- 9.00 - 36

                                           Tires:  Front --- 25 x 4 (steel)                                                                               Rear --- 40 x 6 (steel)

Power                                Drawbar (Claimed):  19.6 hp                                                                  Drawbar (Tested):  20.66 hp

                                            PTO (Claimed):  26.67 hp                 

                                            Belt (Tested):  28.0 hp