Tractor · 1932Unverified
Farmall F-20
Farmall F-20 — Row-Crop tractor · 27 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
27 hp
Max power
11.5 kW
Weight
1995 kg
Hover a source tag to verify
Overview
ManufacturerFarmall (a part of International Harvester)Reference
Row-Crop tractorReference
Built in Rock Island, Illinois, USAReference
Total built154,398Reference
Original price was $1000 in 1936Reference
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.Reference
Two-wheel driveReference
Manual steeringReference
Mechanical band brakesReference
Open operator station.Reference
Engine
International Harvester 3.6L 4-cyl distillateReference
Fuel tank49.2 LReference
Aux. fuel3.3 LReference
Drawbar (claimed)14.6 kWReference
Plows2Reference
Drawbar (tested)15.4 kWReference
Belt (tested)20.9 kWReference
International HarvesterReference
distillateReference
4-cylinderReference
liquid-cooled vertical I-headReference
Displacement3.6 LReference
Bore/Stroke95 x 127 mmReference
Rated RPM1200Reference
Firing order1-3-4-2Reference
Coolant capacity37.9 LReference
Coolant capacity27.4 LReference
Belt power (max)17.2 kWReference
Max power11.5 kWReference
Belt power (max)20.9 kWReference
Max power15.3 kWReference
Belt power (max)20.8 kWReference
Max power15.4 kWReference
Transmission
4-speed sliding gearReference
Typesliding gearReference
Gears4 forward and 1 reverseReference
Clutch279.4mm mechanical dry discReference
PTO & Hydraulics
PTO (claimed)19.9 kWReference
Rear PTOtransmissionReference
Rear PTO Type540 (1.125)Reference
Engine RPM505@1200Reference
Dimensions
Wheelbase215 cmReference
Weight1995 kgReference
Front tire25x4Reference
Rear tire40x6Reference
Ag front25x4 (steel)Reference
Ag rear40x6 (steel)Reference
Ag rear42x12 (steel)Reference
Ag rear9.00x36Reference
Length355 cmReference
Width218 cmReference
Height (steering wheel)170 cmReference
Height (hood)147 cmReference
Front tread21 cmReference
Rear tread187 cmReference
Rear tread144 cmReference
F-20 Serial Number Location
Serial number plate under the fuel tank of the Farmall F-20.Reference
F-20 Serial Numbers
1932FA-501Reference
1933------Reference
1934FA-3001Reference
1935FA-9760Reference
1936FA-41123Reference
1937FA-72982Reference
1938FA-112201Reference
1939FA-136042Reference
FinalFA-148810Reference
1934TA-135000 (old style countershaft)Reference
FAQ: How to read a serial number table.Reference
Capacities
Diameter35 cmReference
Width16 cmReference
RPM654Reference
Speed730.00 meters/minReference
Test results
NTTL 221: kerosene 4-speed 2WDReference
NTTL 264: kerosene 4-speed 2WDReference
NTTL 276: kerosene 4-speed 2WDReference
Kerosene 4-speed 2WDApril 3 - 16, 1934Link: Nebraska Tractor Test 221 fileReference
Belt fuel use (max)8.3 l/hourReference
Drawbar performanceReference
Gear 2 used for power test.Reference
Max pull1058 kgReference
Gear 1 used for pull test.Reference
Kerosene 4-speed 2WDJuly 20 - 29, 1936Link: Nebraska Tractor Test 264 fileReference
Belt fuel use (max)11.7 l/hourReference
Gear 3 used for power test.Reference
Max pull1269 kgReference
Kerosene 4-speed 2WDNovember 5 - 12, 1936Link: Nebraska Tractor Test 276 fileReference
Belt fuel use (max)10.6 l/hourReference
Max pull1327 kgReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.