Tractor · 1939Unverified
Farmall B
Farmall B — Row-Crop tractor · 17 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
17 hp
Max power
12.1 kW
Weight
1088 kg
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.