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  1. #1
    Elite Member newbury's Avatar
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    Kubota's - B7610, M4700

    Default Educate me on PTO shafts, clutches etc.

    I've got 2 tractors and am starting to accumulate PTO driven implements. I'm also considering getting a Pat's easy change due to recent minor blood loss while taking my chipper off.

    I realize that a PEC will move the implements about 4" further back so I might need an extension.

    This caused me to start looking up new longer PTO shafts.

    WHAT a range in prices!

    Is there a source that lists the common type of PTO hookups? Such as a PHD takes smooth, some implements 6 spline etc.
    Last edited by newbury; 06-03-2013 at 09:52 AM. Reason: sp
    My rides - '95 Kubota M4700 w/ PEC, LA1001 FEL :'07 B7610, LA352 FEL, Bush Hog SBX 48 box blade, '09 Woods BH70-X w/ 16" bucket and thumb, 3pt pallet forks, Dale Phillips PHD, Jinma 8" chipper, Winco 12KW PTO generator, Howse plow, 5' KK tiller with a 2002 7.3L Ford F350 CC DRW 4x4 and '07 18' Hudson HSE Deluxe trailer - 5 Ton to haul it all

  2. #2
    Super Member greg_g's Avatar
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    Western Kentucky
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    JD3720 Cab, 300X loader with 4-in-1 bucket

    Default Re: Educate me on PTO shafts, clutches etc.

    There are different classes of PTO shafts, which accounts for the wide price range. Contrary to what you might expect, it's not matched to what's turning it - it's matched to what it turns. As such, the class of shaft is linked to the input power requirement of the implement. For example, a cultivator/tiller needs a much heavier class of shaft that would say a sprayer. I can't say for sure without knowing what kind of implements you own, but it's probably wise to limit your window shopping to Class 4 PTO shafts.

    Slip clutches too are matched to the implement, for much the same reason. A clutch mounted to a rotary cutter for example, is typically set to slip at a different torque value than say one on a wood chipper. The question of smooth or splined depends upon the input shaft of the implement to which it will be attached.

    //greg//
    USN (Ret)
    Former Chinese tractor owner (x4)
    Current John Deere owner

  3. #3
    Veteran Member gwdixon's Avatar
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    Northern CA

    Default Re: Educate me on PTO shafts, clutches etc.

    If you want to make life simple (and cheap) you might consider getting and extension for your tractor's PTO shaft.

    Pto Adapter

    I have the Pat's system on 3 tractors and use this adapter for all PTO requirements. It makes up the difference in length caused by the Pat's EC.

    My advice is to buy a couple of them. One of mine had the pin system fail. Not a big deal but it is unrepairable.
    2009 Kubota M7040, R1s, LA1153 FEL, fork lift, 3 rear remotes, T&T
    2002 Kubota L48 TLB, 12", 18", 24" HD buckets
    2001 Kubota BX2200, Turf, LA211 FEL
    7.5' Howse 3PT disc, 88" Gearmore 4G4 box scraper, 4' box scraper, Gearmore GB85 blade, LandPride RCR2596 cutter, 6', 4' flail mowers, 6', 4' rototiller, 4' Bush Hog cutter, HD subsoiler, Bearcat 70554 chipper, Bush Hog PHD w/ 12", 6" augers, Ford 101 3-bottom plow, 8' land leveler, 6' rake, lots of misc.

  4. #4
    Elite Member ovrszd's Avatar
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    May 2006
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    Missouri
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    Kubota M9540, JD2210

    Default Re: Educate me on PTO shafts, clutches etc.

    I agree with everything said above. But in my case, using a Pat's on my previous tractor and now using a quick hitch on this tractor, I've not found a PTO shaft that was too short. Sure it moves the operational length, but every shaft I have was designed with an overkill amount of extension not being used.

    More so than PTO shaft length issues, you'll find that your top link may come up short and have to be replaced with a longer one.

    Having used a Pat's and a Quick Hitch I now only use the Quick Hitch. If I buy a new attachment I immediately make sure it will fit the Quick Hitch and never take mine off. Saves all that blood loss when hooking to an attachment.

    In my case I moved up to a CAT II tractor. You don't move CAT II attachments around by hand to get hooked up. If your tractor does not have extendable lower arms hooking/unhooking attachments can be extremely frustrating.
    Richard
    Kubota M9540, JD2210

  5. #5
    Elite Member newbury's Avatar
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    From Vt, in Va, retiring to MS
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    Kubota's - B7610, M4700

    Default Re: Educate me on PTO shafts, clutches etc.

    Thanks greg, I figured they vary all over the place, but for instance at Agri-Supply they have one for $90 which looks suitable for a PHD, whereas at TSC the least expensive looks like it's $250. And at Surplus Center most are between $120 and $200.

    Some give ratings like class 8 or GR6 910.

    I buy a lot of things on Craigs List and am looking for a reference source for the PTO descriptions.

    When I bought my Winco 12KW generator for $600 I got the PTO shaft after asking a bit. Winco sells it SEPARATELY for $230 new.
    http://www.tractorbynet.com/forums/a...-3-b-12kw.html.

    I'm looking for a link to a "PTO Rosetta stone".
    So when I see at 0100 a CL list for say, a PTO sprayer for a ridiculously low price I can determine if it's worth it without the PTO shaft just by looking up generals specs.

    As far as PTO adapters go I'm planning on getting a couple "just in case".
    My rides - '95 Kubota M4700 w/ PEC, LA1001 FEL :'07 B7610, LA352 FEL, Bush Hog SBX 48 box blade, '09 Woods BH70-X w/ 16" bucket and thumb, 3pt pallet forks, Dale Phillips PHD, Jinma 8" chipper, Winco 12KW PTO generator, Howse plow, 5' KK tiller with a 2002 7.3L Ford F350 CC DRW 4x4 and '07 18' Hudson HSE Deluxe trailer - 5 Ton to haul it all

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