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  1. #1
    Member lagomasino's Avatar
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    Apr 2009
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    Location
    Cherry Grove, WV
    Tractor
    Kubota B2620

    Default How often do you sharpen/replace wood chipper blades?

    I am thinking on getting a PTO-driven wood chipper. Not having used one before, I am wondering how much maintenance it requires. I assume that sharpening and replacing the blades is the most routine maintenance task.

    I need to maintain about 20 acres of mostly hickory and oak trees that has not been maintained in the last 20 years. Need to cut some trees and there are plenty of branches already around. So it would be a mixture of fresh cuts, dry branches and partly rotted ones. Anything that can be used as firewood would not be chipped.

    I am inclined towards a Wallenstein BX42, but would like to hear input from all brands users. So, for the type of trees I would be chipping, how often would you have to replace/sharpen the blades on whichever brand of wood chipper you are currently using?

    Thanks
    Adolfo

  2. #2
    Super Star Member IslandTractor's Avatar
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    Sep 2005
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    Location
    Prudence Island, RI
    Tractor
    2007 Kioti DK40se HST, Woods BH

    Default Re: How often do you sharpen/replace wood chipper blades?

    I have a similar PTO powered shredder chipper from Bearcat. I have only about 5-7 hours of chipping on it so I have not had to sharpen blades yet. My impression is that you sharpen or reverse blades when performance degrades which would be noted by dragging down the tractor RPMs more than usual with larger size branches. I'd imagine that is something that changes gradually so it may not be easy to decide when a change is needed. I'm expecting to get at least tens of hours on a set of blades before sharpening and that is quite a lot of wood. For me it would be once every couple of seasons at most.

  3. #3

    Default Re: How often do you sharpen/replace wood chipper blades?

    I have a Liberty chipper.
    It needs the blades reversed about every 15 minutes of use.
    I am going to buy some better blades, I guess.

  4. #4
    Super Star Member IslandTractor's Avatar
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    Prudence Island, RI
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    2007 Kioti DK40se HST, Woods BH

    Default Re: How often do you sharpen/replace wood chipper blades?

    Quote Originally Posted by jfox View Post
    I have a Liberty chipper.
    It needs the blades reversed about every 15 minutes of use.
    I am going to buy some better blades, I guess.
    Something's wrong. You need more than just new blades. Are the blades dulling or are they nicked? Is the blade alignment correct? What are you chipping?

  5. #5
    Super Member radioman's Avatar
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    May 2008
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    5,682
    Location
    Ontario, NY
    Tractor
    Kubota BX24

    Default Re: How often do you sharpen/replace wood chipper blades?

    I dont have a pto chipper, but its on the dream list. However I do have a gas powered one and I sharpen it once a year from all the dry and green brush i chip every year. I run it probably about 40 hours a year or less.

  6. #6
    Veteran Member wedge40's Avatar
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    Oct 2007
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    Default Re: How often do you sharpen/replace wood chipper blades?

    Quote Originally Posted by IslandTractor View Post
    Something's wrong. You need more than just new blades. Are the blades dulling or are they nicked? Is the blade alignment correct? What are you chipping?
    I'm guessing his statement was sarcasm. But I have heard that the cheaper woodchippers have poorer quality blades. Go a good machine shop and they should be able to bang out some news that will last a few seasons.

    Wedge
    1967 Ford 4000,Mahindra 4530 with FEL and BH, Box blade, straight blade, FEL, Rake, Bushhog, Backhoe, Jinma chipper, KKII tiller, Grapple. Mahindra 4530, with FEL and Backhoe.

  7. #7
    Super Star Member IslandTractor's Avatar
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    Prudence Island, RI
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    2007 Kioti DK40se HST, Woods BH

    Default Re: How often do you sharpen/replace wood chipper blades?

    Quote Originally Posted by wedge40 View Post
    I'm guessing his statement was sarcasm.
    You are most likely correct. However, if he has to change blades more than every 20 hours or so of use that would seem like a lot to me.

  8. #8
    Super Member Scooby074's Avatar
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    Aug 2006
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    6,278
    Location
    Nova Scotia
    Tractor
    BX 25, ZD 326

    Default Re: How often do you sharpen/replace wood chipper blades?

    Its hard to give a definate answer. Alot depends on what type of wood your chipping (hard or soft, new or old and dry) and how dirty it is.

    The best answer is when it stops self feeding, which for me and my gas powered troy built can be from 10-15 hrs or even less if i get into some nasty stuff. A hydraulic self feeding chipper can extend this considerably as its doing the feeding and forcing the wood thru the blades.

  9. #9
    Member Eaglebait Ranch's Avatar
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    Oct 2007
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    34
    Location
    Klamath Falls, Oregon
    Tractor
    Kubota 3400

    Default Re: How often do you sharpen/replace wood chipper blades?

    It was interesting reading about changing the blades. I have about 20 hours on my gas Bearcat and haven't noticed any problems yet.

    And, last year I found out what my chipper will do to a pair of fence pliers that accidentally dropped into the shoot. Now, I understand why it is recommended not to put your arm down that shoot!
    Chuck
    Life's too short to drink bad coffee!
    _______________________
    2007 Front Loader
    Kubota L3400
    Landscape rake
    Middle buster
    Rear blade
    Post hole digger
    (neighbors have the rest of the toys I would need)

  10. #10
    Platinum Member brandoro's Avatar
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    Jan 2008
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    Location
    Central Saskatchewan
    Tractor
    Kubota B3030 HSTC

    Default Re: How often do you sharpen/replace wood chipper blades?

    I have a BX42 and have yet to do anything with the blades. I suspect I am still under ten hours of use though and chip mostly soft woods. I have chipped some small dry stuff but usually burn that if I can and anything bigger than about 3" diameter looks like firewood to me. Just to see if it could I did chip a 4" poplar, no problem, and a 4" birch, nearly killed the tractor, B7610 at the time.
    Surprising how quickly it can turn a big pile of branches into a small pile of chips.
    Rod.
    B3030HSDC, LA403 FEL, B2782A front blower, B5320 ballast box, Landpride-BH, RFM, tiller, FM2060 flail, GS1572 grader/scraper, BX42 chipper, PTO generator, homebuilt splitter and 3pt carry all.

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