Farmall BN

Farmall BN tractor photo
1940 - 1947
Row-Crop tractor
ManufacturerFarmall (a part of International Harvester)
Row-Crop tractor
FactoriesChicago, Illinois, USA
 Louisville, Kentucky, USA
Total built14,967
The Farmall BN used a different rear end and axle that was eight inches narrower than the Farmall B.
Bfull width
BNnarrow tread
Farmall BN Engine
International Harvester 1.9L 4-cyl gasoline
Fuel tank10 gal
37.9 L
Aux. fuel1 gal
3.8 L
Engine details ...
Farmall BN Power
PTO (claimed)16 hp
11.9 kW
Plows1 *16-inch
Two-wheel drive
Manual steering
Mechanical external contracting band brakes
Open operator station
Power Take-off (PTO)
Rear RPM540
Dimensions & Tires
Wheelbase72.75 inches
184 cm
Weight1800 lbs
816 kg
Front tire6x12
Full dimensions and tires ...
BN Serial Number Location
Farmall BN serial number location
Right side of seat support frame
BN Serial Numbers

FAQ: How to read a serial number table.
Belt Pulley
Diameter8.5 inches
21 cm
Width6 inches
15 cm
Speed2574 ft/min
784.56 meters/min
Page information
Peter Easterlund - owner of
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Peter Easterlund - owner/author
Updated on March 24, 2023
©2000-2023 -®. Notice: Every attempt is made to ensure the data listed is accurate. However, differences between sources, incomplete listings, errors, and data entry mistakes do occur. Consult official literature from the manufacturer before attempting any service or repair.