John Deere G GM
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| Production | |
| Manufacturer | John Deere |
| Row-Crop tractor | |
| Built in Waterloo, Iowa, USA | |
| Total built | 8,764 (GM) |
| From 1942 to 1947 the G was produced as the John Deere model GM ("G Modernized"). The GM designation was created to receive government approval for a war-time price increase. After 1947, the model name was reverted back to the model G. | |
| Variants | |
| GM | Wartime tractor |
| John Deere G Engine | |
| John Deere 6.8L 2-cyl all fuel | |
 Engine details ... |
| John Deere G Transmission | |
| 6-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) | 34.49 hp 25.7 kW |
| Belt (tested) | 38.10 hp 28.4 kW |
 Performance test details ... | |
| Mechanical | |
| Two-wheel drive | |
| Manual steering | |
| Open operator station. |
| Photos | |
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 John Deere G photos... | |
| Capacity | |
| Fuel | 17 gal 64.3 L |
| Aux. fuel | 1.5 gal 5.7 L |
| Hydraulic system | 1.25 gal 4.7 L |
| Hydraulics | |
| Type | open center |
| Capacity | 1.25 gal 4.7 L |
| Power Take-off (PTO) | |
| Rear PTO | transmission |
| Rear PTO Type | 540 (1.75) |
| Dimensions & Tires | |
| Weight | 5300 lbs 2404 kg |
| Front tire | 24x5 |
| Rear tire | 51.5x7 |
 Full dimensions and tires ... | |
| 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. | |
| Electrical | |
| Ground | positive |
| Charging system | generator |
| Batteries | 2 |
| Battery volts | 6 |
| References | |
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| The John Deere Styled "Letter" Series by J.R. Hobbs | |
| Tractors 1918-1976 published by John Deere* | |
| *Publication contains known errors. |
| Page information | |
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| Copyright 2025 TractorData.com® | |
| Email me: Peter@TractorData.com | |
| TractorData is a family-owned small business located in Minnesota. I have been researching tractor history and providing specifications for free since 1999. | |
| Peter Easterlund - owner/author | |
| This machine's data modified on February 26, 2025 | |
| http://techpubs.deere.com/ - Official operator manuals for purchase or download from Deere. |