Box blade size
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  1. #1
    Join Date
    Jan 2009
    Central Missouri
    Bobcat CT120, MF 491, MF 261

    Default Box blade size

    I'm looking to buy either a 4' or 5' box blade. Would a CK20 or Bobcat CT120 handle a 5' box blade or would I be better off with a 4'?

  2. #2
    Gold Member deputyrpa's Avatar
    Join Date
    May 2008
    Fort Ann, NY
    2006 Massey Ferguson 3635 Cab

    Default Re: Box blade size

    Well, I used a 6' box blade with my ~3000# Jinma 284. I'm not familiar with the weight of the CK20. Depends on what you will use it for and how fast you want to do it. I struggled with heavy clay in wet conditions, but had no problem with anything else.

    As the BB was considerably wider than the Jinma, I was able to grade to the side without driving over it first. That kept the tractor level and therefore the BB too. At least the BB should cover your tractor width.

    Now I use the BB on my DK45, and it's almost toyish, but I can still bury it enough to make the DK work. Hope that helps.
    2006 Massey Ferguson 3635 Cab w/DL260 loader, Ford 917 Flail, 6'KK box blade, Leinbach auger
    NH 479 haybine and NH Super Hayliner 68 baler
    1975 Mitsubishi MS-070B excavator with dozer blade
    1984 IH S1824 4x4 5-ton dump truck w/9' plow
    1980 Bolens HT20D, hydro, 20hp Wisconsin (Ducati) diesel, 54" shaft drive deck
    1968 Ford 120 Hydro, 12HP Kohler K301, two 42" magnesium decks & cigarette lighter

  3. #3
    Super Member
    Join Date
    Aug 2004
    North of Mtl,Que,Can (Ste Adele)

    Default Re: Box blade size

    I run 5ft behind a 20 HP mitsubishi with no problems.
    For sure you want wider than your wheels.

  4. #4
    Epic Contributor IslandTractor's Avatar
    Join Date
    Sep 2005
    Prudence Island, RI
    2007 Kioti DK40se HST, Woods BH

    Default Re: Box blade size

    People seem to run 5ft box blades on CK20s with no problem. A few guys have 4ft BBs but I don't think any of them moved down from a 5 footer for performance reasons. That said, I can stall my 40hp tractor with a 6ft BB so it depends on how you use it.

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