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Implement Alley Discussion Forum

Bottom plow setup

Author 
Bill_SC

03-07-2007 10:29:23
207.144.207.210



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What is the correct method for determining tire runout for the wheel(s) that are running in the furrow from the previous pass when setting up the tractor for bottom plowing? I have 16" plows.




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jwal10

03-07-2007 19:24:13
71.215.146.156



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 Re: Bottom plow setup in reply to Bill_SC, 03-07-2007 10:29:23  
If plow is set up right, I set rear tire 16" from 1st land side to inside of tire for 16". 18" for 18" bottom. plus 3", 2" for space between sidewall and furrow wall plus 1" if tire is same or narrower than bottom.Plus if tire was wider than plow furrow ie;16" bottom 18" wide tire add another 1", 16 " bottom 20" wide tire add another 2", This makes 1st bottom cut more and fills a mashed furrow. I always set front tires 2" narrower than rear so sidewall of rear tire wasn't worn on furrow wall. I have had many different plow brands and models and all were set up different as to center of tractor. I have had same model of plows, that when set to pull best would be different to center of tractor so I never set tires off center of tractor.

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Dave Sherburne NY

03-07-2007 11:32:05
74.32.148.82



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 Re: Bottom plow setup in reply to Bill_SC, 03-07-2007 10:29:23  
JD book says the inside of the tire should be
27 1/2" from the centerline of the tractor. When plowing at depths greater than 8" add 1" to the above dimension.



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JMS/MN

03-07-2007 10:47:56
204.73.106.15



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 Re: Bottom plow setup in reply to Bill_SC, 03-07-2007 10:29:23  
When the plow is hitched to cut a full cut with the front bottom, the right rear tractor tire should be running close to the land side of the previous furrow. Plow should be hitched so that the centerline of draft is centered on the tractor. Line of draft of any moldboard plow is: 1/4 the bottom width to the left of center of total cutting width of the plow. On a 3-16 plow, that would be 4 inches to the RIGHT of the point of the share on the middle bottom. Then the left side of the right tractor wheel should be a good 28 inches from centerline of the tractor.

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Randy as in Randy-IA

03-07-2007 18:06:03
207.177.83.214



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 Re: Bottom plow setup in reply to JMS/MN, 03-07-2007 10:47:56  
Hi JMS/MN , Does this " 1/4 the bottom width to the left of center of total cutting width of the plow " apply to plows of all sizes ? I know you stated - any moldboard plow . Just wanted to make sure . But I'm confused , my manual for my 4-16 say's to have the wheels 60-62" putting them at 30-31" from center , if I move the plow to the right 4" from center that put's the outside of the plow at 36" from center of tractor which would have the wheel riding on the edge of the furrow instead of in it or the front bottom wouldn't be taking a full cut ( by about 5-6" ) . Am I looking at this right ? My plow is a Oliver 565 semi-mount by the way . Wouldn't I want the wheel to be 36" minimum from center of tractor ? Still confused . Thanks ...Randy

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Leroy

03-08-2007 17:32:42
216.201.38.88



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 Re: Bottom plow setup in reply to Randy as in Randy-IA, 03-07-2007 18:06:03  
Randy, I think I gave you that formula when you bought the plow. Yes it will work with the wheels set narrower but you are more likely to have the front end want to pull to the right instead of staying in a straight line. I had a Massey-Ferguson 4-14" semi mount plow and a Ford 5000 with 15.5 X 38 rear tires. Normal tread was 60" on center, I kept the left wheel on that and had a dual on that side, the right wheel I put on a 72" tread setting, (36" center of tractor to center of right tire, never did measure to inside of tire), that is center of tire to center of tire. That brought me to the correct center line of draft so it didn't want to pull the front sideways like if I would have had the hitch set for the 60" tread setting like it was setup for when I got it. It was also easier on these old bones as with the tread set out the tractor rode more level than with the narrower tread setting. That problem is what you will come up with your M as you cannot safly set the wheels narrow enough to use that formula, just have to have the wheels set far enough apart to be safe with tilt of tractor, and hook up as best as you can to get plow to follow and the wider the wheels are apart and the harder the ground pulls the harder the front end of the M will want to swing to the right.

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JMS/MN

03-07-2007 20:46:36
204.73.106.15



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 Re: Bottom plow setup in reply to Randy as in Randy-IA, 03-07-2007 18:06:03  
Yup! My reference book is the JD book from the mid 50s- Tractor and Implements....something like that. I did the math for a 3-16 before posting, drew a diagram....same thing with your 4-16, and yes, it comes out to the wheel being 36 inches from center. Center of cut would be 32 inches on a 4-16, quarter of the bottom to the left equals 36 inches. Granted, I used to pull 6-18 in-furrow with a Case 2470- which would put the centerline of draft at 58.5 inches..........maybe the hp makes up for the difference- maybe why most pulled that size plow on land, with the tractor to the left.

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Randy as in Randy-IA

03-08-2007 04:53:00
207.177.83.157



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 Re: Bottom plow setup in reply to JMS/MN, 03-07-2007 20:46:36  
Hi JMS/MN , I was wondering how that formula would hold up with say a 16 bottom plow ? I saw one of those sell at auction last year . It'd take a big tractor to pull one of those things . I didn't pay any attention to whether it was a on land hitch or in furrow . Can't believe it was an in furrow hitch though . Thanks clearing some things up for me ! ...Randy



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evielboweviel

03-07-2007 18:20:55
75.180.10.17



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 Re: Bottom plow setup in reply to Randy as in Randy-IA, 03-07-2007 18:06:03  
Randy
36" sounds right I don't have the manual or tractor handy. 1650d with white 4-16 semimounted remember something like 1" of axle showing. set both sides the same unless running dual on land side
Ron



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Randy as in Randy-IA

03-08-2007 04:43:53
207.177.83.157



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 Re: Bottom plow setup in reply to evielboweviel, 03-07-2007 18:20:55  
Hi evielboweviel , My 1755D has power-adjust wheels so I hope that makes it easier . I had asked last year how to go about moving them and I got a lot of responses advising against moving the rims . What's your take on that ? Maybe the 36" is to narrow by an inch or two for sidewall clearance ? I like JwallO's Idea of setting the wheel to the plow's front bottom . I'll see how it works best for me . At least now I know what to aim for . Thanks ! ...Randy

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Bill_SC

03-07-2007 11:07:33
207.144.207.210



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 Re: Bottom plow setup in reply to JMS/MN, 03-07-2007 10:47:56  
Thanks for the quick response.

How can you adjust the line of draft on a 3-point hitch plow? If it was a trail type I could see moving the drawbar.

Also, my rear wheels are no spin out, so I technically only have two width settings. What if neither setting allows the right rear to ride in the correct spot (mathematically speaking). I have heard that the distance from the leading edge of the front bottom should be the same distance from the inside of the right rear tire as the plow spacing. In this case 16". Does this sound accurate?

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Dave Sherburne NY

03-07-2007 14:05:30
74.32.148.82



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 Re: Bottom plow setup in reply to Bill_SC, 03-07-2007 11:07:33  
Can you post a picture of your plow? Some plows have a lever to adjust the angle of attack, others have U bolts holding the drawbar on others have the drawbar mounted in a slotted fixture with a bolt to adjust the angle. What kind is it? What kind
of tractor are you hooking it to?



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JMS/MN

03-07-2007 11:37:53
204.73.106.15



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 Re: Bottom plow setup in reply to Bill_SC, 03-07-2007 11:07:33  
On any semi-mount plow I've had over several decades, the crossbar was adjustable. Previous experience experience with a fully mounted plow was the AC Snap-Coupler 3 bottom, and that crossbar was adjustable as well. Had a setbolt and cast fitting between the middle uprights if I remember right. Yes, point of front 16 inch bottom should be 16 inches from the tire to make a full cut. Maybe give another inch or so for tire bulge, and we never steer 100% perfect. I'd adjust the wheel spacing as close as the system allows, going a bit wide if anything. With a WFE, adjusting the front tire to run near the land side makes steering easy to follow the furrow, even if the rear wheel is a bit wide.

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