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Implement Alley Discussion Forum

3 bottom plow

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butch's_kid

06-23-2006 19:43:31




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How many HP does it take for a tractor to walk a 3 pt 3 bottom 14" plows, assuming the ground is not completely flat but not hills either.




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TomTX

06-24-2006 04:15:08




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 Re: 3 bottom plow in reply to butch's_kid, 06-23-2006 19:43:31  
Lots of variables. How deep. Soil. 3-point, semi-mounted, pull-type. Tractor weight. How good tractor draft control works. Even the brand/design of plow. However, around here in these soils, plowing 6 to 8 inches deep, with 3-point, general purpose bottoms, I pull 4 14s with 67 PTO rated HP tractor. It has good draft control system, and is a heavy tractor. Have all the load I can pull, so that is about 17 PTO HP per 14 inch bottom. Tom

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Hugh MacKay

06-24-2006 02:39:39




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 Re: 3 bottom plow in reply to Randy as in Randy-IA, 06-23-2006 19:58:01  
Randy: Just maybe you should have told him horse power is not the main criteria when it comes to pulling a plow. I have no quarrel with what you told butch's kid however many of the 33 hp tractors of today are much lighter than a Farmall M.

Plowing has more to do with weight or in the case of a 3 point hitch plow, weight transfer. Traction is the answer.

I pulled 5x16 with a 656, I doubt if it was much heavier than most working M's, as it had no wheel weights or liquid weight. The plow was a semi-mount and the weight transfer was tremendous. Those IH lower link sencing hitches of the 60s and 70s were unmatched for weight transfer. You could even feel it in the tractor seat. Had that plow been trailer, I doubt if I could have added enough weight to the 656 to pull that plow. I know when I bought my 656 it came with farm land, and that farmer had been pulling a 4x16 trailer plow with 656 and it was loaded to limit with chloride. The former owner told me the 4x16 trailer was load enough and ocasionally too much. He also had a 3x16 trailer he pulled with 504. If conditions were bad like wet and greasy, quite often the 504 got parked and they pulled 3x16 with 656.

I had the same type of option, as I had a 1066 at the time that could have pulled that 5x16 had the going got tough. I cant remember plowing with 1066 for that reason, in fact after the first time I hooked 656 to that plow, I don't ever remember backing 1066 up to the plow again.

To Butch's kid, there is more to plowing than horse power. Most 33 hp tractors built in the past 30 years would require 3 point or 4 wheel drive to pull 3 bottoms.

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Randy as in Randy-IA

06-24-2006 08:44:11




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 Re: 3 bottom plow in reply to Hugh MacKay, 06-24-2006 02:39:39  
Yup Hugh , I stuck my foot were it didn't belong again ! I keep forgetting that they didn't STOP building tractors in the '70's they just stopped building GOOD tractor's in the '70's ;-) . But I really didn't mean to mislead him . He asked simply about HP so I just re-wrote what the factory or at least the person that wrote that data book thought that the average farmer could pull with a M in what might be considered average conditions . The reader has to make their own choice and do more research on the subject though . Like you said , no one tractor or one plow can do all things in all places . Sometimes a person's just gonna be disappointed in what they bought regardless of how much good advice they get . And when it comes to advice I respect yours greatly . Take care ...Randy

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Hugh MacKay

06-24-2006 14:19:24




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 Re: 3 bottom plow in reply to Randy as in Randy-IA, 06-24-2006 08:44:11  
Randy: Not so, I didn't think you stuck your foot where it didn't belong. You told him what he asked, I just decided to add to it thus, probably I'm the guilty culpert with the foot.

Now, I see he is asking you about a specific tractor, What do you think, probably should tell him the difference between drawbar hp, pto hp and flywheel hp. Seeing as how that flywheel hp is about all Deere has advertized in the past 25 years.

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butch's_kid

06-24-2006 13:02:09




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 Re: 3 bottom plow in reply to Randy as in Randy-IA, 06-24-2006 08:44:11  
Thanks for the replies. I suppose I should have been more specific up front..

I have a '72 JD 820, 3 cyl diesel, rated at approx 30 hp. Has a differential lock, and fluid filled rear tires. Roll bar and canopy. Front bumper/hitch but no weights. Also has one remote.

So, could this tractor pull 3pt 3 14"s, or would 2 14"s be its max?

Could this tractor handle a 9ft hydrualic wheel disk?

Thanks....

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MLD

06-26-2006 06:27:02




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 Re: 3 bottom plow in reply to butch's_kid, 06-24-2006 13:02:09  
My uncle always had 2-14's behind his JD 1020, unless you have very light sandy soil, I would say she would be loaded with 3-14's. I do pull 3-14's with my 1958 JD 620. If its a JD plow you might be able to drop the third bottom & frame section & reattach the wheel??



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Leroy

06-25-2006 06:45:44




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 Re: 3 bottom plow in reply to butch's_kid, 06-24-2006 13:02:09  
2 bottom max and 8' disc with duals and fluid weight added



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paul

06-24-2006 21:53:59




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 Re: 3 bottom plow in reply to butch's_kid, 06-24-2006 13:02:09  
In my clay soil, I could only pull 2-16 with a ~34 hp IHC 300. Dad used the 3-16 with the Oliver 88, which is ~45 hp.

In more normal soil, things pull easier. This clay is something!

We never had a 14 inch bottom on the place, so I can only relate what we had.

I pulled a 9 foot & 11 foot wheel-less disk with the IHC 300. Didn't know either was there in fall work on bean stubble or corn stalks. The 11' was a bit too much in spring soft ground. The 9' worked good.

--->Paul

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