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John Deere Tractors Discussion Forum
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Re: 1931 john deere GP

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Jake Winn

10-06-2012 12:13:31
207.200.116.66



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There were some updates done by Deere to it at one time. A friend of mine has one that has the same A after the serial number. Kellers also has one. The did some upgrades to the intake and air cleaners on some of the older machines and apparently that was how they kept track of the machines that got them.




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Richard wyld

10-06-2012 18:31:50
69.31.194.158



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 Re: 1931 john deere GP in reply to Jake Winn, 10-06-2012 12:13:31  
Do you know any other info on the gp serial # 225129 A,Any other experimental stuff .Thanks.



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Jake Winn

10-06-2012 21:13:46
207.200.116.66



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 Re: 1931 john deere GP in reply to Richard wyld, 10-06-2012 18:31:50  

It wasnt experimental parts, they were upgrades to the original equipment. One i remember in particular was a crankcase breather tube that went into the intake.

Heres a couple pix.

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Richard wyld

10-07-2012 17:00:20
69.31.194.158



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 Re: 1931 john deere GP in reply to Jake Winn, 10-06-2012 21:13:46  

Ah i see. yes my 31 has that breather assembly, any other updates that you know of.
thanks for your help Jake.

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ecclap

11-09-2012 20:48:29
69.63.25.160



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 Re: 1931 john deere GP in reply to Richard wyld, 10-07-2012 17:00:20  
Your "GP" had the crankcase breather assembly that you show, from the factory because it is a 6" bore tractor. It may have some other updated features that could be very evident or they may also be internal. Please post some more pictures of your tractor as the serial number is just prior to a major serial number break at 226402.



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