John Deere Unstyled D


John Deere Unstyled D tractor photo
1923 - 1953
Model year
Two-Cylinder Letter Series
Standard-tread tractor
N
Series:Unstyled D
D
Production
Manufacturer:John Deere
Type:Standard-tread tractor
Factory:Waterloo, Iowa, USA
Total built:160,000
Original price:$1,000 (1924 )
The D had the longest run of any model of John Deere tractor, the styled and unstyled versions ran from March 1, 1923 until July 3, 1953. Serial numbers 31321 through 31412 are not model Ds, but are Waterloo Boy Ns which were built after model D production had begun.
John Deere D Power
Drawbar (claimed):15 hp
11.2 kW
Belt (claimed):27 hp
20.1 kW
Plows:3 (14-inch)
Drawbar (tested):29.90 hp
22.3 kW
Belt (tested):41.59 hp
31.0 kW
power test details ...
John Deere D Engines
John Deere 7.6L 2-cyl all fuel
John Deere 8.2L 2-cyl all fuel
Fuel tank:18 gal
68.1 L (early)
 23.5 gal
88.9 L (after 1931)
Aux. fuel:2.5 gal
9.5 L (early)
 1.5 gal
5.7 L (after 1931)
Engine details ...
Mechanical
Chassis:4x2 2WD
Steering:manual
Cab:Open operator station with steel pan seat.
Transmissions:2-speed unsynchronized gear
 3-speed unsynchronized gear
Transmission details ...
Power Take-off (PTO)
Rear PTO:optional
Rear RPM:525
Dimensions & Tires
Weight:4090 to 5880 pounds
Front tire:28x5
Rear tire:46x12
Full dimensions and tires ...
D Serial Numbers
Location:Operator's platform, ahead of seat mount.
photo of D serial number

1924: 30401 (model years)
1925: 31280
1926: 35309
1927: 43410
1928: 53388
1929: 71645
1930: 95367
1931: 109944
1932: 115509
1933: 115665
1934: 116273
1935: 119100
1936: 125079
1937: 130700
1938: 138413
1939: 142300
Final: 143799

how to read serial numbers...

Belt Pulley
Diameter:13.25 inches
33 cm
Width:8.5 inches
21 cm
RPM:900
Speed:3122 ft/min
951.59 meters/min
Page information
Last update:February 2, 2020
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