Farmall F-20

Production ended · 2WD

PTO power · claimed

26.7 hp

Weight
4,400 lb
Engines
1 Distillate
Built
154,398
Price new · 1936
$1,000

Power

Power specifications
Engineno record
PTO26.7 hp claimed
Drawbar19.6 hp claimed
Drawbar, tested20.7 hp
Belt pulley28 hp tested
Listed power29 hp PTO basis
Plows rated2

Engines

Engines fitted to the Farmall F-20
International Harvester 3.6L 4-cyl distillateDistillate · 4 cyl221 ci
Engine details
International Harvester 3.6L 4-cyl distillate
Bore × stroke
3.75 in × 5 in
Rated speed
1,200 rpm
Cooling
liquid-cooled vertical I-head
Firing order
1-3-4-2

Transmissions

Transmissions for the Farmall F-20
4-speed sliding gearsliding gear4F / 1R

Weight

Weight specifications
Weight4,400 lb unspecified

Dimensions

Dimensions specifications
Wheelbase85 in
Length140 in
Width86 in
Front tread, narrowest8.5 in
Front tread, widest8.5 in
Rear tread, narrowest74 in
Rear tread, widest74 in

Capacities

Capacities specifications
Fuel tank13 gal
Auxiliary fuel0.9 gal

Hydraulics

Hydraulics specifications
Pump flowno record

Hitch

Hitch specifications
Rear lift capacityno record

PTO

PTO specifications
Rear PTOtransmission
Rear PTO speeds540 (1.125)
Engine rpm at PTO speed505@1200

Chassis

Chassis specifications
Drive2WD
SteeringManual steering
BrakesMechanical band brakes
CabOpen operator station

Tires

Tires specifications
Front25x4
Rear40x6

Production

Production specifications
Total built154,398
Price new$1,000 (1936)
FactoriesRock Island, Illinois, USA
Built byFarmall (a part of International Harvester)

Serial numbers

Serial number plate under the fuel tank of the Farmall F-20.

First serial number by year
YearFirst serial
1932FA-501
1933------
1934FA-3001
1935FA-9760
1936FA-41123
1937FA-72982
1938FA-112201
1939FA-136042
FinalFA-148810
1934TA-135000 (old style countershaft)

Literature

  • Farmall Tractor Model F-20 (MC-D 3075) 1932
  • International Tractors - The Line That Offers You A Choice International Harvester, 1933
  • McCormick-Deering Tractors - Modern Agricultural Power International Harvester, 1933