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  1. #1

    Default Disc plow/disc harrow

    Please excuse my ignorance as these may be silly questions. Is there a difference between a disc plow and disc harrow? Also I have noticed that some discs have 2 straight rows that are offset which would look like a ">" if looking from above, while the other kind of disc have 2 rows that hinge in the middle so the inside discs are foward from the outside discs. I hope I have explained this well enough. Also is one type better than the other?

  2. #2
    Elite Member
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    Default Re: Disc plow/disc harrow

    The disk type that looks like > is called an offset disk. They are typically used for first pass field cultivation like a chisel plow. They are usually a heavy frame disc meant to cut deep.

    The disc's that look like this >< or hinge in the middle are tandem discs. They leave a smoother finish and can be used for first pass or finish pass cultivation. They are usually lighter frame and don't cut as deep as the offset versions.

    Disk plow, these are getting rare but the are a single row or disc's that look similar to a mold board plow and perform a similar task.

    Roy
    Artificial Intelligence will never overcome natural stupidity.

    Branson 2400H MMM & FEL

    JD 112

    BX1850 gone but not forgotten

  3. #3
    Platinum Member
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    Default Re: Disc plow/disc harrow

    No question is silly unless you already know the answer. A disc plough is exactly what it says it is - a plough that uses discs to turn over the ground instead of a mouldboard. They come in a large range of sizes. I have never seen anything less than two discs (suitable for compact tractors) and had an 18-disc unit in Australia. The discs on these wide ploughs are in a straight line with each other and slightly trail one another in use. allowing the trailing one to begin cutting at a suitable distance behind the previous so that the furrows lie well - similar to a multi-furrow mouldboard plough. I am sure you can find pictures and probably videos with an Internet search. My description is not the best!!

    As with disc ploughs, disc harrows come in a wide range of sizes too. Again do a search. The action is different in that there is more than one line of discs, and as you have already obnserved they cut at different angles. They are particularly good at breaking up ploughing after mouldboard, or in bigger models are frequently used in between planted trees to keep the ground clear and break up falling branches. Hinges, if any, depend on the size of the harrow, and possibly the designer of the unit.

  4. #4
    Platinum Member
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    NH TCE45

    Default Re: Disc plow/disc harrow

    An overlap in posts, sorry. I was typing whilst the previous post was being made.

  5. #5

    Default Re: Disc plow/disc harrow

    Thanks guys. I did google disc plow (Or Plough). Never saw it before. I'll stick with my disc harrow. Appreciate the info, that's why I like this site.

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