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FREEDGUY 
Orange Level Access
Joined: 15 Apr 2017
Location: South West Mich
Points: 5396
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 Topic: Harrow/Disc ??
Posted: 17 Mar 2021 at 7:18pm |
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Is there a difference between the 2 ??
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KJCHRIS
Orange Level
Joined: 21 Dec 2015
Location: WC Iowa
Points: 947
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Posted: 18 Mar 2021 at 2:36am |
It depends some on where you live on the terminology. In W C Iowa, a disc has a set of round curved DISC blades that turn on a shaft mounted thru bearings. A harrow usually has teeth mounted on a bar. The teeth can be of round spring steel bolted to bar, a steel bar bolted or welded to bar, or of flat spring steel bolted to bar. BUT have seen what I call a disc listed as a harrow on online auctions. I've Some older literature that calls my "disc" a "disc harrow".
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AC 200, CAH, AC185D bareback, AC 180D bareback, D17 III, WF. D17 Blackbar grill, NF. D15 SFW. Case 1175 CAH, Bobcat 543B,
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john(MI)
Orange Level
Joined: 12 Sep 2009
Location: SE MI
Points: 9262
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Posted: 18 Mar 2021 at 3:08am |
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Growing up Dad always called it a spike tooth harrow or just harrow. When I was older I bought a spring tooth harrow. If it had round steel plates it was called a disk. SW WI.
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Tbone95
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Joined: 31 Aug 2012
Location: Michigan
Points: 11964
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Posted: 18 Mar 2021 at 6:38am |
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Like KJCHRIS said, the terminology sort of depends on your region for the popularity of it. But really, anything that scratches or furrows the ground is a harrow. Disc harrow, drag harrow, spike tooth harrow....if ya' look at enough old books and manuals you'll see it all. In Canada, they use harrows and heavy harrows depending on depth and aggressiveness desired.
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Ray54
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Joined: 22 Nov 2009
Location: Paso Robles, Ca
Points: 4659
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Posted: 18 Mar 2021 at 1:53pm |
Just my thoughts about the history of farming and the naming of the tools. The pictures in books of the forked limb of a tree pulled thru the dirt became known as a plow. To break the lumps down for the second pass what ever it looked like it became a harrow it would seem.
The beginning of modern farming if used to break the soil the first time for the growing season seem to be called a plow. Be it moldboard or chisel plow, or disc plow, and other variations yet I am sure. The next step seems to be harrowing, being it a spike tooth, spring tooth, or disc all called a harrow it seems a 100 years ago. So anything generally used for the secondary tilling became a harrow of some type.
I don't know other places but in the USA we seem to always shorten the official name of things. But even today the USA is regionalize and the common name used for farm tools changes from region to region. With the world wide web things are getting more universal. But add English speaking countries it gets real confusing, like the Aussies calling a combine a header. And there grain seeder, what I call a drill has some name that always makes me stop and think (no getting a foggy idea of there term now).
And tools only used regional , like a go devil is mystery to many me included. I know it was used on weeds in row crops so is it a regional name of row crop cultivator or still different?
But from the post asking about a harrow on this board you have to wait and see if you can figure out if they mean what has generally become known as a disc or the spike tooth harrow I think of first.
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Dennis J OPKs
Silver Level
Joined: 12 Sep 2009
Location: Overland Park,
Points: 497
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Posted: 18 Mar 2021 at 3:38pm |
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The term go-devil brought back memories and you can't find much about it. I remember it in eastern NE, pre-chemical days and when listers were used instead of planters. Have no idea where the name came from. It was the first pass after planting and used discs to ridge up the hills on each side of the crop-next pass was either a spike tooth harrow or rotary hoe to take the ridges back down. Google the term and there is some information including a thread on YT several years ago. They could be either pull type or mounted, 2 or 4 row. Big Iron had one or more at different times. I doubt if they are used anywhere. Possibly Amish or organic farmers.
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Kansas99
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Joined: 26 Feb 2015
Location: W Kansas
Points: 4867
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Posted: 18 Mar 2021 at 3:49pm |
Out here we refer as follows. Spike tooth harrow  Spring tooth harrow (wore out)   Disc  Disc with harrows  Then there’s this. Most everyone calls them a undercutter a few call them sweeps but manufacturers call them blade plows. This particular one was originally called a lazer plow but it created confusion and people thought they came with a lazer so the manufacturer changed it to the blade plow also.  This is the plow blade itself. Called undercutter blade attached to the frog. Don’t know why it’s a frog.  Yes I got caught in a rain, it does happen out here just not very often. 
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"Thank you for your service Joe & the Ho"-----Joseph Stalin
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Kansas99
Orange Level Access
Joined: 26 Feb 2015
Location: W Kansas
Points: 4867
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Posted: 18 Mar 2021 at 4:04pm |
Go Devil. Basically a shielded row crop cultivator. I waded won up in a pile of scrap iron along a creek with a excavator.   Modern day version. 
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"Thank you for your service Joe & the Ho"-----Joseph Stalin
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victoryallis
Orange Level
Joined: 15 Apr 2010
Location: Ludington mi
Points: 2877
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Posted: 19 Mar 2021 at 6:52am |
 FREEDGUY wrote:
Is there a difference between the 2 ?? |
So run this past me you come off acting like you know more about my equipment and my farm than I do but don’t know the difference between a disc and a harrow??? WTF Sound like a real unit too me. Since you like to bash Deere disc’s is one thing they REALLY sucked at making and the Agco product really rocks at.
Edited by victoryallis - 19 Mar 2021 at 6:54am
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8030 and 8050MFWD, 7580, 3 6080's, 160, 7060, 175, heirloom D17, Deere 8760
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