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Implement Alley Discussion Forum

4 bottom JD plow

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anythinggoes

05-02-2005 19:42:21




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Hi, Today I traded a load of scrap iron for a $50 bill and a fully functional John Deere 4 bottom one way plow. On the back of the moldboards it says 314, I don't know if that indicates the model number or not. My question is about the "trip" mecanism that lifts the plow out of the ground and sets it back down. It has two little levers that are 180 degrees apart that hit the trip lever when it's all the way down or all the way up. Well it wont catch all the time unless I pull on those little levers to make the gears engage. Was this a common problem with this type of plow and if so what is the fix? Sorry for the lack of knowledge here, but those plows were a little before my time and anyone around here that knows about them has forgot most of what they know. Thanks, Justin

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ET

05-03-2005 04:45:10




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 Re: 4 bottom JD plow in reply to anythinggoes, 05-02-2005 19:42:21  
The 314 is the model of plow bottom. They are HS314NC or FC. That stands for high speed, 14" narrow cut or full cut bottoms depending on witch share is used. If the number was 316 they would be 16" bottoms. On those dogs, are they clean and free to move easily or is there a spring missing?



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anythinggoess

05-03-2005 07:31:40




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 Re: 4 bottom JD plow in reply to ET, 05-03-2005 04:45:10  
The dogs move somewhat ok, if I help them out they work just fine so the must just need a good cleaning. I am hesitant to take the gear housing apart for fear of what I may find in pieces... All the springs are there and the one that wasn't I reinstalled. How do I tell what shears it has on it, it looks like they were bigger ones cut down to fit a 14" bottom.



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ET

05-03-2005 09:03:08




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 Re: 4 bottom JD plow in reply to anythinggoess, 05-03-2005 07:31:40  
The diffrents between the full cut share and narrow cut share is that the tail of the share (the end away from the furrow wall) is trimed off. Many people just trim the tail of a full cut share with a cutting torch. The idea is that a strip of the soil is left attached and acts as a hinge as the furrow rolls over. If I remember right the 314 shares are 3 bolt shares, so any 14" 3 bolt john deere shares will work.

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anythinggoes

05-03-2005 19:45:25




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 Re: 4 bottom JD plow in reply to ET, 05-03-2005 09:03:08  
In front of the 314 it says NA, so I guess that makes NA314, what does that mean?



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ET

05-04-2005 12:09:05




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 Re: 4 bottom JD plow in reply to anythinggoes, 05-03-2005 19:45:25  
Is the share held on with a threaded eye bolt? Those might not be high speed bottoms. I'll have to look in my plow bottom book tonight.



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anythinggoes

05-06-2005 00:54:11




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 Re: 4 bottom JD plow in reply to ET, 05-04-2005 12:09:05  
I stand corected, they are held on by an eye bolt.



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ET

05-06-2005 06:52:32




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 Re: 4 bottom JD plow in reply to anythinggoes, 05-06-2005 00:54:11  
My parts book shows NA314 bottoms to be a 14" stubble bottom. Made until 1958, a BCA217A share might still be available. I have a price of $85.51 wrote in my parts book from a few years ago. Many after market moldboards for the high speed bottoms are marked with just a 314, thats why I jumped the gun on on high speed bottoms. All JD bottom have the same bolt pattern for attaching them to the plow frame until they went metric in the late 70's. So it may be easier to update than find parts wor the old bottoms.

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anything goes

05-06-2005 22:56:27




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 Re: 4 bottom JD plow in reply to ET, 05-06-2005 06:52:32  
As of now the shares are in good shape. Only one of the moldboards has any noticable wear on it. What is the difference between the high speed and regular bottoms? Thanks for all the help, I don't normally deal with this kind of equipment so this has been a learning experience for me.



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ET

05-07-2005 04:19:58




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 Re: 4 bottom JD plow in reply to anything goes, 05-06-2005 22:56:27  
As the name says high speed bottoms are made for faster ground speeds. In some soils they may have trouble rolling soil over at very slow speeds. The old john deere and syracuse bottoms seem to do a nice looking job at a crawl but at fast speeds, depending on soil types, the dirt will flow over the top instead of rolling to the side.



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anythinggoes

05-04-2005 19:35:11




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 Re: 4 bottom JD plow in reply to ET, 05-04-2005 12:09:05  
I'm not sure how it's held on, but I don't think it's a threaded eye bolt. I'll look at it tommorow. It plows good though, it makes the old WD-9 work a little too.



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jhill

05-03-2005 06:09:50




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 Re: 4 bottom JD plow in reply to ET, 05-03-2005 04:45:10  
Not much to the lift mechanism. Like ET said clean it and check for missing or worn dogs.



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