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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum
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Adjusting Oliver 4340 plow

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Matt

10-18-2003 18:34:25




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I recently purchased an Oliver 4340 plow. It is a 3 x 14". I am pulling it with a 77 row crop diesel with its wheel spacing set at 72". I am having trouble getting the plow to pull straight. The rear of the plow wants to pull to the left (towards unplowed ground). I have moved the plow hitch and guide several times but it still pulls to the left. There must be a certain spot that the hitch and guide must be set in to make it pull straight but I can't seem to find it. If anyone could help me with my problem and offer any other tips for setting this plow it would be very appreciated!

Thanks alot! Matt

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Canada Grant

10-20-2003 08:30:43




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 Re: Adjusting Oliver 4340 plow in reply to Matt, 10-18-2003 18:34:25  
I plow with 4340 4X 14 with 880d wheatland in third occasionally have to drop back to a three furrow in heavy ground. What is condition of plow shears ? All equal or new one on back or front? Is the plow cutting level side to side ie. plowing same depth all three? Is the cut [width of each furrow] the same? when you adjusted plow hitch did you move front and back adjustment at the same time or just one end at a time? Try putting front of drawbar where it clamps to front frame towards dead furrow a half inch at a time. adjust drawbar on plow when in ground so that its pulling level if you have good plowing conditions. hard plowing get that drawbar up a little so it pulls front of plow into ground. From the book " centre of pull of any one bottom is aproximately 3.5 inchs to the right of shin edge and half the depth of plowing. plow with more than one bottom the centre of pull is midway between centres of pull of the front and rear bottom.draw bar from tractor should be straight line from tractor to drawbar to centre of plow. FOR THE 4340 3 bottom it is necessary to hook the rear of the drawbar and the drawbar guide to the right or left of the plows line of draft. The clevis must be hooked in line with the plows centre of pull. the plows centre of pull is half of rear tread setting for the tractor" Rear wheel inside spacing for 3x14 is 52 inchs [from the book] half of is 26 inchs [got that drawbar over to the right do we?] Confused yet. Go do some measurements and play with it! As a final from the book proper wheel settings eliminates side draft! My tractors are standards so no wheel adjustment so shifting drawbar makes adjustment.

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Matt

10-21-2003 18:04:16




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 Re: Re: Adjusting Oliver 4340 plow in reply to Canada Grant, 10-20-2003 08:30:43  
Thanks to all who responded! Your info helped alot! I finally got back in the field today to mess with the plow. I tried moving the tractor hitch around some more but ended up moving the right tractor wheel in about 4" so it would be inline with the front furrow wheel on the plow. I then measured the plow's center of pull using a tape measure and set the plow drawbar and guide accordingly. I tried moving both the drawbar and guide together and then moving only the guide but ended up leaving the drawbar and guide inline with the center of pull as it seemed to make no difference where it put them. After all of this the plow still wanted to pull to the left so I then turned my attention to the tailwheel and discovered that it was pointing towards the left wheel on the tractor when it should point more towards the right. I adjusted the guide bolts to make the wheel trail as far to the right as possible and ended up having to take the left bolt completely out. This helped straighten the plow out but it is still not running as straight as I think it should and is still not leaving a real clean furrow. I wonder if the tailwheel shaft could be bent as the wheel is still running to the left a little. This I believe could be causing alot of my troubles. I am very happy with the job the plow is doing. It hasn't plugged once and is doing about as level of a job as you'll ever see. The 77 pulls it better than I thought it would. I was in 3rd gear when plowing about 7.5" deep. I might add that the plow is equipped with new shims and shares and the landslides as well as the moldboards are in good shape. If you have any more input it will be much appreciated!

Thanks, Matt

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Canada Grant

10-24-2003 17:57:46




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 Re: Re: Re: Adjusting Oliver 4340 plow in reply to Matt, 10-21-2003 18:04:16  
While plowing recently in some tough ground my plow started doing the side pull trick also. after watching it a little deceided land wheel was low on air as it would flatten out on a haed pull. Filled to 35lb. and problem went away so sometimes it can really fool you!



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zeke

10-19-2003 19:40:18




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 Re: Adjusting Oliver 4340 plow in reply to Matt, 10-18-2003 18:34:25  
Matt look at the landslides they could be wornout or gone that makes it pull to the land.



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ajax implement

10-19-2003 18:48:13




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 Re: Adjusting Oliver 4340 plow in reply to Matt, 10-18-2003 18:34:25  
It has been too many years and I never fooled much with plows, but where are you measuring your wheel tread? How wide does the front bottom cut. Wheel tread should be set so the front bottom cuts the correct width, with the plow hitch in the correct spot. How good are the landsides? points? Those old Oliver plow books had a section on preparing the tractor plus a parts section. Contact Floyd County Museum. It may be the best small investment you made for getting the plow set correctly.

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ShepFL - with link

10-18-2003 19:39:34




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 Re: Adjusting Oliver 4340 plow in reply to Matt, 10-18-2003 18:34:25  
Howdy Matt!

I have a 4340 3x16. I have pulled it behind my Oliver 550 but my soil is sandy loam. I am still working on it to make it useable. With a little rain and the link below you should be in business. I also have parts manual if you have other questions. If you find some parts I would be interested as Oliver is rather rare in my neck of the woods.

Give a shout to BA Star, Canada Grant and others they have forgotten more than I may ever know. Most of my plowing is currently done with disk plow due to planted pine fields.
HTH

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ajax implement

10-19-2003 18:52:45




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 Re: Re: Adjusting Oliver 4340 plow in reply to ShepFL - with link, 10-18-2003 19:39:34  
Just asking why a 4340 behind a tractor that has draft control?



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ShepFL

10-20-2003 05:53:32




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 Re: Re: Re: Adjusting Oliver 4340 plow in reply to ajax implement, 10-19-2003 18:52:45  
Simple economics and old timer recommendations.

First the old timers around maintain the trailer plows did a better job of plowing than the 3pth plows.

Second - I could not find a decent 3pth Oliver plow to run behind the rig. I had a 2x14 Dearborn that I sold to my buddy. I was needing a plow and came across this 4340.

It needed some work and the price was right. I had more free time than money so I began. Plow should be finished in time for some spring time plowing.

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Don-Wi

10-19-2003 08:10:00




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 Re: Re: Adjusting Oliver 4340 plow in reply to ShepFL - with link, 10-18-2003 19:39:34  
I wish I could do that!! I pull a semi-mounted 565 3-16 plow with my 1755, and in some spots I have to drop to 2nd direct to plow in the hard spots. My grandpa used to pull that plow with our 1600, and my dad started with that setup as well. said it was REALLY slow going in the hard feilds.
Donovan from Wisconsin



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Adam R

10-19-2003 18:00:03




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 Re: Re: Re: Adjusting Oliver 4340 plow in reply to Don-Wi, 10-19-2003 08:10:00  
Donovan, you must be in some heavy clay my uncle used to pull a 4-16's Oliver trailer plow with my 770D and duals when he owned it. Now he pulles it with a 1555G with duals, and his land is far from flat.



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Don-Wi

10-19-2003 19:05:51




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 Re: Re: Re: Re: Adjusting Oliver 4340 plow in reply to Adam R, 10-19-2003 18:00:03  
Well, yeah, we do have some really hard clay. I think in some feilds I could use a 4-16, but my 1755 is also getting tired. I probly could pull a 4-16 in the harder clay too in 1st gear, but I like to move a little. May have a line on a 4-16 565 some time, but the owner is currently out of the country for a little while.
Donovan from Wisconsin



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ShepFL

10-19-2003 10:39:59




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 Re: Re: Re: Adjusting Oliver 4340 plow in reply to Don-Wi, 10-19-2003 08:10:00  
Don -
Let me clarify, and after re-reading I can understand your confusion. Yes, I can plow with this rig but my ground is very shallow (sand with little dirt)and has this ground been worked twice annually. At some point I am sure I will need to break up what I am sure is a hardpan layer. If this ground had not been worked as much I doubt seriously I could even move the 3x16 plow through it. Not enough UMPHH in my 550.

Over the yrs. I have found the areas of heavy clay and sought to avoid them when possible. As I stated above most of my "heavy" new ground plowing is done with a 2 bottom disk plow.

I am only doing a U-Pick, farming is not my full time occupation. If that were the case I would have to find more productive ground and a bigger tractor, newer equipment and such to remain competitive or at least try to keep my head above water.

Make sense now?

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Don-WI

10-19-2003 18:59:22




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 Re: Re: Re: Re: Adjusting Oliver 4340 plow in reply to ShepFL, 10-19-2003 10:39:59  
I wouldn't say I was confused, just a little shocked. I realized you couldn't have been plowing very deep, or you would never had been able to budge it. I have a 165 Massey, and it's around the same size, and I occasionally pull an IH # 8 (I think it is anyways) 2-14 little genious. She really grunts when plowing deep in hard clay, or just hard ground. We have 2 or 3 feilds that don't have clay, but it's still a really black, wet, sticky ground that pulls as hard if not harder(down in the wet spots). I put all new moldboards, points, shins on my 565, they didn't have the right landslides in stock so I still gotta get new ones yet. Trying to scour them things, now I know why my dad always gave me 2 cans of spray paint and said "go nuts!!" worse than rusted bottoms almost.
Donovan from Wisconsin

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