John Deere G tractor specifications

1937 - 1953

1937 - 1953 Model year 1937-19411942-19481948-1953 Two-Cylinder Letter SeriesRow-Crop tractor

Production

Production Manufacturer:John Deere
Type:Row-Crop tractor
Factory:Waterloo, Iowa, USA
Total built:10,684 (Unstyled)
The first 3,250 John Deere model G tractors (serial number 1000 through 4250) are known as "low radiator" Gs. Overheating issues resulted in a production change to a larger radiator beginning with serial number 4251. Many of the original tractors were refitted with the new radiator.

John Deere G Power

John Deere G Power Drawbar (claimed):20.70 hp
15.4 kW
Belt (claimed):31.44 hp
23.4 kW
Plows:3 (14-inch)
Drawbar (tested):27.63 hp
20.6 kW
Belt (tested):35.91 hp
26.8 kW
power test details ...

1937 - 1953

Model year 1937-19411942-19481948-1953

Two-Cylinder Letter Series

Row-Crop tractor

Nebraska Tractor Test 295

Nebraska Tractor Test 295
Distillate 4-speed 2WD November 15 - 19, 1937 Link: Nebraska Tractor Test 295 file
Belt power (max):	35.91 hp 26.8 kW
Belt fuel use (max):	3.9 gal/hour 14.8 l/hour
Drawbar performance
Max power:	27.63 hp 20.6 kW
Gear 2 used for power test.
Max pull:	4,085 lbs 1852 kg
Gear 1 used for pull test.

John Deere G Engine

John Deere G Engine John Deere 6.8L 2-cyl all fuel Fuel tank:17 gal
64.3 L
Aux. fuel:1.5 gal
5.7 L
Engine details ...

1937 - 1953

Model year 1937-19411942-19481948-1953

Two-Cylinder Letter Series

Row-Crop tractor

Engine Detail

Engine Detail
John Deere
all fuel
2-cylinder
liquid-cooled
Displacement:	412.5 ci 6.8 L
Bore/Stroke:	6.125x7.00 inches 156 x 178 mm
Compression:	4.2:1
Rated RPM:	975
Firing order:	1-2
Starter type:	hand crank
Oil capacity:	11 qts 10.4 L
Coolant capacity:	44 qts 41.6 L

Mechanical

Mechanical Chassis:4x2 2WD
Steering:manual
Cab:Open operator station.
Transmission:4-speed gear
Transmission details ...

1937 - 1953

Model year 1937-19411942-19481948-1953

Two-Cylinder Letter Series

Row-Crop tractor

Transmission

Transmission
Transmission:	John Deere
Type:	gear
Gears:	4 forward and 1 reverse
Clutch:	dry disc

Speeds

Speeds

Power Take-off (PTO)

Power Take-off (PTO) Rear PTO:transmission
Rear RPM:540 (1.75)

Dimensions & Tires

Dimensions & Tires Weight:5000 lbs
2268 kg
Front tire:24x5
Rear tire:51.5x7
Full dimensions and tires ...

1937 - 1953

Model year 1937-19411942-19481948-1953

Two-Cylinder Letter Series

Row-Crop tractor

John Deere G Tires

John Deere G Tires
Ag front:	24x5
	6.00-16
Ag rear:	51.5x7
	12(13.6)x38

Dimensions

Dimensions
Length:	135 inches 342 cm
Width:	61.5 inches 156 cm
Height:	84 inches 213 cm
Operating weight:	5000 lbs 2268 kg

G Serial Numbers

G Serial Numbers Location:Serial number plate on the left side of the unstyled John Deere G, near the flywheel. Plate on the right side above pulley on the styled G.
photo of G serial number
1938:1000 (G Unstyled)
1939:7734 (G Unstyled)
1940:9321 (G Unstyled)
1941:10489 (G Unstyled)
1942:11561 (G Unstyled)
1942:13000 (GM)
1943:13418 (GM)
1944:None
1945:13748 (GM)
1946:15780 (GM)
1947:18553 (GM)
Final:22112 (GM)
1947:23000 (G Early Styled)
1948:25235 (G Early Styled)
1948:26000 (G Late Styled)
1949:32457 (G Late Styled)
1950:39161 (G Late Styled)
1951:46809 (G Late Styled)
1952:53479 (G Late Styled)
1953:63138 (G Late Styled)

how to read serial numbers...