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John Deere Tractors Discussion Forum
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Re: 1931 john deere GP

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Author  [Modern View]

02-05-2013 06:30:25

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The history of the "GP" series of tractors is very interesting. I am by no means an expert on them but I have spent a lot of time looking at tons of examples. Many of the tractors that I have seen with an "A" on the serial tag have been small bore tractors with updated features such as crankcase breather assemblies and oil filters. There were so many ongoing changes and updates on these tractors it's hard to keep track of them.
These tractors were also being produced during the first few years of the Depression and often sat at dealers and branch houses for months (sometimes years) after they were built and shipped. Documents have been published stating huge inventories of pre-1930 "GP"s into the '34-'35 time period and probably well beyond. It made sense to update a lot of these tractors with "improved assemblies" to make them much more reliable (eg. oil filtration, ventilated crankcase, etc.) I have always thought of this as similiar to the pull- ahead design that auto manufacturers still use to update models before the update is put into full production.

Your tractor serial number is just prior to an important break at 226402. The most obvious changes at this serial number were to the cooling system and fuel tank if I remember correctly. I can get more details if you want. I would love to see any pictures that you may have.

P.S Sorry for the long post!

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Richard wyld

02-05-2013 20:16:27

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 Re: 1931 john deere GP in reply to ecclap, 02-05-2013 06:30:25  

well got some pics of the old girl but they are not the greatest, sorry. So at the end of the day i guess i have an GP big bore with some up grades. yes if you could dig a little more would be very helpful. we will be restoring this tractor soon,and thankyou very much to everybody that has helped with the info. some of the pics show the crank case breather like the A and the oil suction pipe, it has an ensign K carb and the same big round air breather and muffler as chris gp has. How wide is a bean gp front axle ? these are sure a mysterious tractor.

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