John Deere D tractor specifications

1923 - 1953

1923 - 1953 Model year 1923-19391939-1953 Two-Cylinder Letter SeriesStandard-tread tractor

Production

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

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 ...

1923 - 1953

Model year 1923-19391939-1953

Two-Cylinder Letter Series

Standard-tread tractor

Nebraska Tractor Test 102

Nebraska Tractor Test 102
465ci kerosene 2-speed 2WD April 11 - 17, 1924 Link: Nebraska Tractor Test 102 file
Belt power (max):	30.40 hp 22.7 kW
Belt fuel use (max):	3.9 gal/hour 14.8 l/hour
Drawbar performance
Max power:	22.53 hp 16.8 kW
Max pull:	3,277 lbs 1486 kg

Nebraska Tractor Test 236

Nebraska Tractor Test 236
501ci distillate 3-speed 2WD June 26 - July 2, 1935 Link: Nebraska Tractor Test 236 file
Belt power (max):	41.59 hp 31.0 kW
Belt fuel use (max):	4.3 gal/hour 16.3 l/hour
Drawbar performance
Max power:	29.90 hp 22.3 kW
Gear 2 used for power test.
Max pull:	4,037 lbs 1831 kg

John Deere D Engines

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 ...

1923 - 1953

Model year 1923-19391939-1953

Two-Cylinder Letter Series

Standard-tread tractor

Engines overview

Engines overview
John Deere 7.6L 2-cyl all fuel
John Deere 8.2L 2-cyl all fuel

Engine Detail

Engine Detail
John Deere
all fuel
2-cylinder
liquid-cooled
Used from beginning until 1927, S/N 53388
Displacement:	465 ci 7.6 L
Bore/Stroke:	6.50x7.00 inches 165 x 178 mm
Compression:	3.91:1
Rated RPM:	800
Firing order:	1-2
Coolant capacity:	52 qts 49.2 L

Engine Detail

Engine Detail
John Deere
all fuel
2-cylinder
liquid-cooled
The larger 501 cubic inch engine was introduced in 1927, replacing the 465..
Displacement:	501 ci 8.2 L
Bore/Stroke:	6.75x7.00 inches 171 x 178 mm
Compression:	3.91:1
Rated RPM:	900
Firing order:	1-2
Oil capacity:	13 qts 12.3 L
Coolant capacity:	52 qts 49.2 L (early)
	56 qts 53.0 L (after 1931)

Mechanical

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 ...

1923 - 1953

Model year 1923-19391939-1953

Two-Cylinder Letter Series

Standard-tread tractor

Transmissions overview

Transmissions overview
2-speed unsynchronized gear
3-speed unsynchronized gear

Transmission

Transmission
Type:	unsynchronized gear
Gears:	2 forward and 1 reverse
Original transmission, used from 1923 to 1935

Speeds

Speeds

Transmission

Transmission
Type:	unsynchronized gear
Gears:	3 forward and 1 reverse
Three-speed transmission was introduced in 1935

Speeds

Speeds

Power Take-off (PTO)

Power Take-off (PTO) Rear PTO:optional
Rear RPM:525

Dimensions & Tires

Dimensions & Tires Weight:4090 to 5880 pounds
Front tire:28x5
Rear tire:46x12
Full dimensions and tires ...

1923 - 1953

Model year 1923-19391939-1953

Two-Cylinder Letter Series

Standard-tread tractor

John Deere D Tires

John Deere D Tires
Ag front:	28x5 (steel)
	28x6 (steel)
	7.50x18
Ag rear:	46x12 (steel)
	12.75x28

Dimensions

Dimensions
Length:	109 inches 276 cm (prior to 1930)
	130 inches 330 cm (after 1930)
Width:	56 inches 142 cm
	66.5 inches 168 cm
Weight:	4090 lbs 1855 kg (early)
	5880 lbs 2667 kg (late)

John Deere D Height

John Deere D Height
Hood:	56 inches 142 cm (prior to 1930)
	58 inches 147 cm (1930 to 1934)
	61.25 inches 155 cm (after 1934)

D Serial Numbers

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...