John Deere B
1935 - 1952
Two-Cylinder Letter Series Row-Crop tractor
Series map:
B
A
17.8hp*
26.7hp*
*Estimated engine power for comparison only.
Production
Manufacturer John Deere
Row-Crop tractor
Built in Waterloo, Iowa, USA
Total built 55,670 (all unstyled)
  40,057 (short frame)
  15,613 (long frame)
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.
Variants
B tricycle front axle
BR fixed front axle
BO Orchard
BN narrow row-crop
BW wide row-crop
BI industrial tractor
BO Lindeman crawler
John Deere B Power
Drawbar (claimed) 12 hp8.9 kW
Belt (claimed) 16 hp11.9 kW
Plows 2 (10-inch)
Drawbar (tested) 11.80 hp8.8 kW
Belt (tested) 16.01 hp11.9 kW
Performance test details ...
Mechanical
Two-wheel drive
Steering manual
Differential mechanical expanding shoe brakes
Open operator station with pressed steel seat.
Power Take-off (PTO)
Rear PTO transmission
Rear PTO Type 540
B Serial Number Location
The left side of the transmission case, under the governor.
B Serial Numbers
1935 1000
1936 12012
1937 27389
1938 46175 (*49302)
1939 60000
1940 78526
1941 96000
1942 118721
1943 136315
1944 149219
1945 167700
1946 179788
1947 191303
1948 209295
1949 230044
1950 253025
1951 275242
1952 293030
Final 310772
FAQ: How to read a serial number table.
Belt Pulley
Diameter 9.6875 inches24 cm
Width 7.25 inches18 cm
RPM 1250
Speed 3110 ft/min947.93 meters/min
Electrical
Ground positive
References
The John Deere Unstyled Letter Series by J.R. Hobbs
Tractors 1918-1976 published by John Deere*
Models A & B General Purpose Tractors published in 1936, by John Deere
Facts About John Deere Tractor Wholesale Prices 1935-1961
*Publication contains known errors.
Instructions for General Purpose Tractors Model B (DIR-218) published in 1939
Instructions for General Purpose Tractors Model B (DIR-313) published in 1958
Operator's Manual Model B Series Tractor (OM-R2005R)
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Updated on September 2, 2023
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