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Tractor · 1932Unverified

Farmall F-20

Name: Farmall F-20
Brand: Farmall

Farmall F-20 — Row-Crop tractor · 27 hp. Reference specifications; pending source verification.

The Farmall F-20 is a tractor rated at 27 hp, positioning it at the lighter end of its class. Production of this model spanned from 1932 to 1939. Equipped with a 4-cylinder liquid-cooled engine and a 4-speed gearbox, it is paired with two-wheel drive. Its operating weight is listed at 1995 kg, with an operational capacity of up to 200 acres.

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

Catalogue coverage

Variants represented

Richest spec table

88 rows

Recorded power

27 hp

Recorded weight

1995 kg

Transmissions

4-speed sliding gear

Production years

1932-1939

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

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.

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