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Tractor · 1935Unverified

John Deere B

John Deere B — Model year 1935-19381939-19461947-1952 · 12 hp. Reference specifications; pending source verification.

The John Deere B is a tractor with a rated output of 12 hp, categorising it as one of the more compact options in its class. It was manufactured from 1935 to 1952. The tractor is equipped with a 2-cylinder electric liquid-cooled engine, which powers two-wheel drive via a 4-speed gearbox, and has a listed weight of 1485 kg. It is intended for tasks covering up to 200 acres.

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

Rated power
12 hp
Max power
8.8 kW
Weight
1485 kg

Catalogue coverage

Variants represented
2
Richest spec table
110 rows
Recorded power
12 hp
Recorded weight
1485 kg
Transmissions
4-speed unsynchronized gear
Production years
1935-1952
Verified variants
0

1 linked source document displayed

Hover a source tag to verify

Overview

ManufacturerJohn DeereReference
Row-Crop tractorReference
Built in Waterloo, Iowa, USAReference
Total built55,670 (all unstyled)Reference
Total built40,057 (short frame)Reference
Total built15,613 (long frame)Reference
The John Deere model B was introduced as a smaller tractor, to fill the needs of row-crop farmers that did not need a tractor as large as the A. It had a nearly 20-year production run, and the versions of the B can be broadly divided into three groups. The original B is often referred to as "unstyled", and includes all tractors built through 1938. In 1939, with tractor number 60000, began the "early styled" model B. In mid 1947, with tractor number 201000, began the "late styled" model B. Within the first year of production, tractors number 1000 through 3042 used a four-bolt front pedestal.Reference
Two-wheel driveReference
SteeringmanualReference
Differential mechanical expanding shoe brakesReference
Open operator station with pressed steel seat.Reference

Variants

Btricycle front axleReference
BRfixed front axleReference
BOOrchardReference
BNnarrow row-cropReference
BWwide row-cropReference
BIindustrial tractorReference
BO LindemancrawlerReference

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
Plows2 (10-inch)Reference
Drawbar (tested)8.8 kWReference
Belt (tested)11.9 kWReference
John DeereReference
all fuelReference
2-cylinderReference
liquid-cooledReference
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
Belt power (max)11.9 kWReference
Max power8.8 kWReference
Fuel TypeDieselReference
No of Cylinders2-cylinderReference
Rated engine speed975Reference
Bore and stroke4.25x5.25 inchesReference
Compression ratio4.71:1Reference

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
forward and reverse options4 forward and 1 reverseReference

PTO & Hydraulics

Rear PTOtransmissionReference
Rear PTO Type540Reference

Dimensions

Weight1485 kgReference
Front tire22x3.25Reference
Rear tire48x5.25Reference
Ag front22x3.25 (steel)Reference
Ag rear48x5.25 (steel)Reference
Length306 cmReference
Width215 cmReference
Height (hood)142 cmReference
Rear tread142 to 213 cmReference

B Serial Number Location

The left side of the transmission case, under the governor.Reference

B Serial Numbers

19351000Reference
193612012Reference
193727389Reference
193846175 (*49302)Reference
193960000Reference
194078526Reference
194196000Reference
1942118721Reference
1943136315Reference
1944149219Reference
1945167700Reference
1946179788Reference
1947191303Reference
1948209295Reference
1949230044Reference
1950253025Reference
1951275242Reference
1952293030Reference
Final310772Reference
FAQ: How to read a serial number table.Reference

Links

John Deere Model B: information at RetiredTractors.comReference

Capacities

Diameter24 cmReference
Width18 cmReference
RPM1250Reference
Speed947.93 meters/minReference
Capacity149 ciReference

Electrical

GroundpositiveReference

Test results

Distillate 4-speed 2WDNovember 15, 1934 - April 19, 1935Link: Nebraska Tractor Test 232 fileReference
Belt fuel use (max)7.9 l/hourReference
Drawbar performanceReference
Gear 2 used for power test.Reference
Max pull783 kgReference
Gear 1 used for pull test.Reference

General

Make & ModelJohn DeereReference

PTO

Rear PTO PowerAvailableReference

Dimensions & weight

Overall Height142.2 cmReference
Overall Length306.1 cmReference
Overall Width215.9 cmReference

Steering & brakes

Steering typemanualReference

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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