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JD GM

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Pete Ballmann

04-08-2001 05:04:06




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I have a 1946 JD GM, what is the difference between a G and a GM and what does the M stand for any information on these series of tractors, like are these more rare than the G's would be greatly appreciated. Thanks in advance




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Stan - Florida (Correction)

04-08-2001 05:41:24




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 Re: JD GM in reply to Pete Ballmann, 04-08-2001 05:04:06  
Minor clarification to my last post. There were serial number interruptions when the GM started at 13000 and the late styled G started at 23000, but the overall sequence of serial numbers for the Unstyled G, the GM, and the late styled G tractors was pretty much sequential.

Stan



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Stan - Florida

04-08-2001 05:16:53




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 Re: JD GM in reply to Pete Ballmann, 04-08-2001 05:04:06  
There will probably be more exact information posted, but, in general, the M stands for "modern". It is my understanding that when Deere styled the G in about 1943/'43, the OPS (Office of Price Stabilization) during WW II would not allow a price increase. Therefore, a new model was introduced at a new price.

Serial number sequence was not interrupted from the G to the GM and then back to the G when they were further updated after the war.

Stan

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Mike Miesle

04-10-2001 17:37:17




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 Re: Re: JD GM in reply to Stan - Florida, 04-08-2001 05:16:53  
The M stands for military I also have a 1946 GM. I dont know about serial numbers changeing for the GM. Does your 46 have a large pto shaft? mine has a shaft of 1 3/4 inch dia. with 540 splines. A good book to look up is "John Deere tractor data book" by Lorry Dunning. Good luck.



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48 G Nate

04-11-2001 18:13:48




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 Re: Re: Re: JD GM in reply to Mike Miesle, 04-10-2001 17:37:17  
According to Two Cylinder Magazine-March April 2000 edition all about the G's, it says that the M in GM stood for MODERNIZED. Deere had to call it something else to distinguish it from its unstyled predecessor because it cost more. Deere wasn't allowed to sell the same model at a higher price during the war-thus GM. It goes on to say that the serial #'s started fresh at 13000 and 12193-12999 were scrapped to start fresh with the new designation. The GM's had steel pan seats and some had steel wheels and hand start and were just a little more than a styled unstyled G. After the war, the last GM was SN22112 and the styled G started in 1947 at SN 23000. This was the same tractor without the M on it. The new G with electric staring and battery box seat started at SN 26000. I have one of these-- SN 30672.

48 G Nate

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2cylinderlp

05-15-2006 22:17:44




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 Re: powershaft clutch in reply to capt rag, 05-15-2006 16:43:08  
Weber Tractor Parts. >Link

Although>Link currently they are out of stock and don't expect more until the first of July. I need some too and talked to them today. Nice folks to deal with.



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