Tractor · 1935Unverified
John Deere BN
John Deere BN — Model year 1935-19381939-1946 · 12 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
12 hp
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Overview
ManufacturerJohn DeereReference
Row-Crop tractorReference
Built in Waterloo, Iowa, USAReference
Total built1001 (BN - unstyled)Reference
Total built65 (BNH - unstyled)Reference
The John Deere BN (B-Narrow) was designed for use in row crops with narrow spacing. The BN was equipped with a single front wheel for work in crop rows as narrow as 12 inches. The BN was also available in a high-clearance option, the BNH, with higher clearance and wide rear tread options.Reference
Two-wheel driveReference
Manual steeringReference
Differential mechanical expanding shoe brakesReference
Open operator station with pressed steel seat.Reference
Variants
Btricycle front axleReference
BRfixed front axleReference
BOOrchardReference
BNnarrow row-cropReference
BNHhigh-clearance BNReference
BIindustrial tractorReference
Engine
John Deere 2.4L 2-cyl all fuelReference
Fuel tank45.4 LReference
Aux. fuel3.8 LReference
Drawbar (claimed)8.9 kWReference
Belt (claimed)11.9 kWReference
Plows2Reference
John DeereReference
all fuelReference
2-cylinderReference
liquid-cooledReference
Original engine, used in the unstyled model B (through 1938). Produced about 16 HP.Reference
Displacement2.4 LReference
Bore/Stroke108 x 133 mmReference
Fuel systemMarvel-Schebler DLTX-10Reference
Cooling systemthermo-siphonReference
Air cleaneroil bathReference
Compression4.71:1Reference
Rated RPM975Reference
Firing order1-2Reference
Starter typehand-crankReference
Oil capacity6.6 LReference
Coolant capacity20.8 LReference
Sparkplug gap0.762 mmReference
Point gap0.381 mmReference
Intake valve clearance0.508 mmReference
Exhaust valve clearance0.508 mmReference
Transmission
4-speed unsynchronized gearReference
ManufacturerJohn DeereReference
Typeunsynchronized gearReference
Gears4 forward and 1 reverseReference
Clutchdry discReference
Gear shift lever with speed 1, 2, and reverse. High and low range shift lever.Reference
PTO & Hydraulics
Rear PTOtransmissionReference
Rear PTO Type540Reference
Dimensions
Front tire7.50x10Reference
Rear tire7.50x36Reference
BN Ag front7.50x10Reference
BN Ag front9.00x10Reference
BNH Ag front6.50x16Reference
BN Ag rear7.50x36Reference
BN Ag rear9.00x36Reference
BNH Ag rear7.50x36Reference
BNH Ag rear9.00x36Reference
BNH Ag rear7.50x40Reference
BNH Ag rear9.00x40Reference
Length306 cmReference
Width215 cmReference
Height (hood)142 cmReference
Rear tread142 to 213 cmReference
BN Serial Number Location
The left side of the transmission case, under the governor.Reference
BN Serial Numbers
19351000Reference
193612012Reference
193727389Reference
193846175Reference
193960000Reference
194081600Reference
194196000Reference
1942126345Reference
1943143420Reference
1944152862Reference
1945173179Reference
1946183673Reference
1947199744Reference
1948216055Reference
1949237346Reference
1950258205Reference
1951276557Reference
1952299175Reference
Final310772Reference
FAQ: How to read a serial number table.Reference
Capacities
Diameter24 cmReference
Width18 cmReference
RPM1250Reference
Speed947.93 meters/minReference
Electrical
GroundpositiveReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.