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Discussion Forum
Show Parts for Model:

12 ft. discs - how many HP needed?

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Chris VdV

01-04-2010 13:26:33
64.118.27.8



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I am looking at a set of 12ft. Oliver discs at $600. Good condition.

My question is will my 550 and/or 1265 be sufficient HP to draw that? I am planning on converting some longtime grassland into vegetable beds. Bear in mind I am a newbie part-time 'farmer'.

http://www.agdealer.com/list/view_image.cfm?ID=302401&SearchID=39809142&startrow=21&Act=EQUIPVIEW&listpage=index.cfm

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wmthrower

01-06-2010 05:20:21
208.125.233.145



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 Re: 12 ft. discs - how many HP needed? in reply to Chris VdV, 01-04-2010 13:26:33  
Chris,
Good luck trying to find a good smaller disk around here. Especially an Oliver. I've seen a lot of the new smaller disks but don't think too much of them. Pretty light duty in my opinion.



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J.Mash

01-05-2010 23:08:35
184.0.15.184



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 Re: 12 ft. discs - how many HP needed? in reply to Chris VdV, 01-04-2010 13:26:33  
We use a 7'and a 8'foot disc with our 550's. Makes them a good load when set to full cut. Thats with wheel weights and loaded tires. Like J said its more of a traction issue than horsepower.



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Mike (WA)

01-05-2010 09:46:15
69.10.199.3



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 Re: 12 ft. discs - how many HP needed? in reply to Chris VdV, 01-04-2010 13:26:33  
I used to pull a 10 foot with a 1550, then got a 12 foot disc and it was too much. Had an 880 diesel, it would pull the 12 foot, but it made 'er sing. Have a 550D, and you need to be at 7 or 8 feet width for it. Traction becomes a bigger problem than power with the small utility type tractor- There's nothing like 38" tires to pull tillage equipment with.

My experience is you want a disc that you can pull "smartly", to get maximum action. If you're struggling just to pull it slowly, it will take more passes ($$$).

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VADAVE

01-05-2010 03:45:00
149.32.192.33



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 Re: 12 ft. discs - how many HP needed? in reply to Chris VdV, 01-04-2010 13:26:33  
The rule of thumb I was given is 5hp per foot of width.
So a 12 foot disc will require 60 DRAWBAR horses.



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allen.beranek1@verizon.ne

01-04-2010 19:48:57
98.115.73.175



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 Re: 12 ft. discs - how many HP needed? in reply to Chris VdV, 01-04-2010 13:26:33  
Chris, I would say a 12 ft. disk is way too large for a 550. I have a 10 ft disk and use my oliver 770 to disk the garden. But it doesn't have enough traction to drop the disk all the way down in soft ground. An 8 ft might be a better choice. Al



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J. Schwiebert

01-04-2010 18:18:41
209.173.169.171



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 Re: 12 ft. discs - how many HP needed? in reply to Chris VdV, 01-04-2010 13:26:33  
Just how many acres are we talking here? If just a few make several passes and you will get enough loose dirt. I think your biggest problem is going to be traction. Another thing if you have just a few acres find a friend and a log chain and hook the 2 tractors together. I remember the first 1800 diesel we sold almost 50 years ago. He though his new 1800 and a 12 foot were a good match. In the same token the boy has a 24 foor disk. We have pulled it with a 95 horsepower tractor (has dual wheels)if it is not the first time over and his pardner wanted to rip up a couple acrs of old clover the other year and they had a 175 horse power in front and it was a load. Traction can be more of a problem then horsepower.

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GORDEY

01-04-2010 16:00:29
199.216.200.5



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 Re: 12 ft. discs - how many HP needed? in reply to Chris VdV, 01-04-2010 13:26:33  
We have a 7.5 foot Oliver 3pt disc and it works perfect behind the 550, the 1255 would be good with a 10 foot.



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Chris VdV

01-04-2010 14:45:08
64.118.27.8



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 Re: 12 ft. discs - Cletrac E38 or OC3?? in reply to mkuhns, 01-04-2010 13:26:33  
thanks for the advice. Actually my '1265' is a 1255 - :oops: sorry...so even less power. The 550 is a diesel.

Hmmm looks like I need to keep looking!

Or maybe my OC3 would pull it or how about a Cletrac E38?? Weren't they used for plowing and such? :?:



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MapleSprings

01-04-2010 14:18:22
75.104.149.12



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 Re: 12 ft. discs - how many HP needed? in reply to Chris VdV, 01-04-2010 13:26:33  
Well, I have a 10' Oliver disc that I use with my 1650D in fairly light soil.

It seems to me to be plenty of drag: not because of pure power but because in plowed or otherwise tilled soil in my vegetable operation there's enough resistance that I lose traction rather easily. I have two sets of wheel weights but fairly narrow tires: 15.5 -38,

I have a friend with a 1265 and I don't think his tractor has any more traction than mine.

If you have other choices for discs, I'd consider something smaller. If not, you can probably make it work.

Mark

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Jeff Oliver

01-04-2010 14:06:18
65.4.224.54



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 Re: 12 ft. discs - how many HP needed? in reply to Chris VdV, 01-04-2010 13:26:33  
They might but I think with those tractors you would be better off with like a 8ft or so. Depending on how aggressive you want to disk but a 12 ft is a pretty big disk for the 550, not sure about the other one



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