Tractor · 1940Unverified
Farmall BN
Farmall BN — 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
Weight
816 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 built14,967Reference
The Farmall BN used a different rear end and axle that was eight inches narrower than the Farmall B.Reference
Two-wheel driveReference
Manual steeringReference
Mechanical contracting band brakesReference
Open operator stationReference
Variants
Bfull widthReference
BNnarrow treadReference
Engine
International Harvester 1.9L 4-cyl gasolineReference
Fuel tank37.9 LReference
Aux. fuel3.8 LReference
Drawbar (claimed)12.7 kWReference
Belt (claimed)14.2 kWReference
Plows1Reference
International Harvester C-113Reference
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
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
Wheelbase184 cmReference
Weight816 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
Length273 cmReference
Height (steering wheel)165 cmReference
Rear tread142 to 213 cmReference
BN Serial Number Location
Right side of seat support frameReference
BN Serial Numbers
1940FABN39715Reference
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
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.