John Deere G Unstyled
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| Production | |
| Manufacturer | John Deere |
| Row-Crop tractor | |
| Built in 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 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 ... | |
| John Deere G Transmission | |
| 4-speed gear | |
 Transmission details ... |
| 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 |
 Performance test details ... | |
| Mechanical | |
| Two-wheel drive | |
| Manual steering | |
| Open operator station. |
| Photos | |
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 John Deere G photos... | |
| Power Take-off (PTO) | |
| Rear PTO | transmission |
| Rear PTO Type | 540 (1.75) |
| Dimensions & Tires | |
| Weight | 5000 lbs 2268 kg |
| Front tire | 24x5 |
| Rear tire | 51.5x7 |
 Full dimensions and tires ... | |
| G Serial Number Location | |
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| 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. |
| G Serial Numbers | |
| 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) |
FAQ: How to read a serial number table. | |
| References | |
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| The John Deere Unstyled Letter Series by J.R. Hobbs | |
| Tractors 1918-1976 published by John Deere* | |
| General-Purpose Tractors published in 1938, by John Deere | |
| General-Purpose Tractors published in 1940, by John Deere | |
| General Catalog published in 1940, by John Deere | |
| *Publication contains known errors. |
| Page information | |
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| TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999. | |
| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on June 22, 2025 | |
| http://techpubs.deere.com/ - Official operator manuals for purchase or download from Deere. |