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Tractor · 1939Unverified

Farmall B

Name: Farmall B
Brand: Farmall

Farmall B — Row-Crop tractor · 17 hp. Reference specifications; pending source verification.

The Farmall B is a compact tractor with a rated output of 17 hp, characterised by its compact size. It was manufactured from 1939 to 1947. The tractor features a 4-cylinder petrol liquid-cooled engine, delivering power through a 4-speed gearbox in two-wheel drive configuration. Its listed weight is 1088 kg, with an intended application for areas of approximately 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

17 hp

Max power

12.1 kW

Weight

1088 kg

Catalogue coverage

Variants represented

Richest spec table

100 rows

Recorded power

17 hp

Recorded weight

1088 kg

Transmissions

4-speed gear

Production years

1939-1947

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

FactoriesChicago, Illinois, USAReference

FactoriesLouisville, Kentucky, USAReference

Total built75,241Reference

Original price$770Reference

The Farmall A and B were nearly identical tractors. The A featured an offset engine and wide front end. The B had a centered engine, seat offset to the right, and narrow front end.Reference

Two-wheel driveReference

Manual steeringReference

Mechanical contracting band brakesReference

Open operator station.Reference

Variants

Bfull widthReference

BNnarrow treadReference

Engine

International Harvester 1.9L 4-cyl gasolineReference

International Harvester 1.9L 4-cyl keroseneReference

Fuel tank37.9 LReference

Aux. fuel3.8 LReference

Drawbar (claimed)12.9 kWReference

Belt (claimed)14.3 kWReference

Plows1Reference

Drawbar (tested)12.1 kWReference

Belt (tested)13.7 kWReference

International Harvester C113Reference

gasolineReference

4-cylinderReference

liquid-cooled inlineReference

Displacement1.9 LReference

Bore/Stroke76 x 102 mmReference

Compression5.33:1Reference

Rated RPM1400Reference

Idle RPM900-1400Reference

Firing order1-3-4-2Reference

StartermanualReference

StarterelectricReference

Starter volts6Reference

Oil capacity4.7 LReference

Coolant capacity12.8 LReference

Sparkplug gap0.635 mmReference

Point gap0.508 mmReference

Intake valve clearance0.356 mmReference

Exhaust valve clearance0.356 mmReference

International HarvesterReference

keroseneReference

liquid-cooled vertical I-headReference

Belt power (max)13.7 kWReference

Max power12.1 kWReference

Belt power (max)11.9 kWReference

Max power11.0 kWReference

Transmission

4-speed gearReference

TransmissionInternational HarvesterReference

TypegearReference

Gears4 forward and 1 reverseReference

PTO & Hydraulics

TypeIH Pneumatic Lift-AllReference

Rear PTOtransmissionReference

Rear PTO Type540 (1.125)Reference

Dimensions

Weight1088 kgReference

Front tire6.00-12Reference

Rear tire8-24Reference

Ag front6.00-12Reference

Ag rear8-24Reference

Ag front4.00-15Reference

Ag front7.50-10Reference

Ag rear9-24Reference

Ag rear10-24Reference

Ag rear5-30Reference

Length274 cmReference

Width201 cmReference

Height165 cmReference

Rear tread162/172/182/193 cmReference

Rear tread203/213/223/233 cmReference

B Serial Number Location

Seat support bracketReference

B Serial Numbers

1939FAB3675Reference

19406744Reference

194141500Reference

194280739Reference

194496390Reference

1945113218Reference

1946146700Reference

1947182964 (Chicago)Reference

1947200001 (Louisville)Reference

FAQ: How to read a serial number table.Reference

Capacities

Diameter21 cmReference

Width15 cmReference

RPM1157Reference

Speed784.56 meters/minReference

Electrical

GroundpositiveReference

Charging systemgeneratorReference

Battery volts6Reference

Test results

NTTL 331: gasoline 4-speed 2WDReference

NTTL 332: distillate 4-speed 2WDReference

Gasoline 4-speed 2WDSeptember 25 - 29, 1939Link: Nebraska Tractor Test 331 fileReference

Belt fuel use (max)6.1 l/hourReference

Drawbar performanceReference

Gear 2 used for power test.Reference

Max pull1078 kgReference

Gear 1 used for pull test.Reference

Distillate 4-speed 2WDOctober 9 - 13, 1939Link: Nebraska Tractor Test 332 fileReference

Belt fuel use (max)5.3 l/hourReference

Fuel use4.5 l/hourReference

Max pull1117 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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