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  1. #1
    Elite Member
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    Bobcat CT225

    Default Losing pins off the back of the tractor

    This is now the second time I have lost a cotter pin off the back of my tractor. The first time was during some rough bush-hogging. The cotter pin got pulled out and I lost the retention pin that holds one of my sway bars on. Now, I noticed that the cotter pin on the retention pin that holds my sway bar to my lift arm has been pulled, although thankfully, I have not lost the retention pin because it is flat on one side and inserted from the top. All of the pins I have lost are spring-type cotter pins. I am thinking I will replace them all with split-pin type, because it seems like they are nearly impossible to pull out accidentally. If I ever need to take apart my 3ph, the split-type will be a bit harder to pull out, but I don't anticipate taking apart my 3ph very often, and I'm darn tired of losing things off it.
    Last edited by joshuabardwell; 08-25-2012 at 09:19 PM.

  2. #2
    Elite Member
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    Default Re: Losing pins off the back of the tractor

    Safety wire the pins closed or replace them with a bolt and nylock nut combo.
    ::Sent from a standard desktop keyboard::

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  3. #3
    Platinum Member brandoro's Avatar
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    Central Saskatchewan
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    Kubota B3030 HSTC

    Default Re: Losing pins off the back of the tractor

    Quote Originally Posted by Willl View Post
    Safety wire the pins closed or replace them with a bolt and nylock nut combo.
    Bolt and nylock nut is what I have done the couple of places I have had pins pull out. Works well and not too hard to remove.
    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.

  4. #4
    Veteran Member
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    CNH 4020

    Default Re: Losing pins off the back of the tractor

    Quote Originally Posted by joshuabardwell View Post
    This is now the second time I have lost a cotter pin off the back of my tractor. The first time was during some rough bush-hogging. The cotter pin got pulled out and I lost the retention pin that holds one of my lift arms on. Now, I noticed that the cotter pin on the retention pin that holds my sway bar to my lift arm has been pulled, although thankfully, I have not lost the retention pin because it is flat on one side and inserted from the top. All of the pins I have lost are spring-type cotter pins. I am thinking I will replace them all with split-pin type, because it seems like they are nearly impossible to pull out accidentally. If I ever need to take apart my 3ph, the split-type will be a bit harder to pull out, but I don't anticipate taking apart my 3ph very often, and I'm darn tired of losing things off it.
    Split pins are normally driven on thru using a drift a little smaller than the hole.

  5. #5
    Elite Member
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    Bobcat CT225

    Default Re: Losing pins off the back of the tractor

    Quote Originally Posted by pacerron View Post
    Split pins are normally driven on thru using a drift a little smaller than the hole.
    Really?! I have always just un-bent them. Well, you learn something new every day.

  6. #6
    Super Member Gary Fowler's Avatar
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    2009 Kubota RTV 900, 2009 Kubota B26 TLB & 2010 model LS P7010

    Default Re: Losing pins off the back of the tractor

    Quote Originally Posted by pacerron View Post
    Split pins are normally driven on thru using a drift a little smaller than the hole.
    I think you are speaking of a rolled steel pin and not a cotter pin. I'm not recalling the correct terminology of the spring clips used in 3 PH but I've never heard them called cotter pins. I guess there are two types used one being a pin with a circular spring that clips down on the pin to keep it fastened and the other is a pin that looks similar to a hairpin clip but more robust. These are not too popular today. I have never seen any one use a cotter pin on the 3 PH as they are usually soft steel and tend to bend rather easily. The best approach would be to use the spring clip and safety wire it shut on the points that you dont normally take off.
    2010 LS P-7010C 20F/20R gear tractor & FEL, 2009 Kubota B 26 TLB, RTV 900 Kubota,17 foot Lund boat with 70HP motor, 2012-20 ft 12k GVW trailer, 2011- 52" Craftsman ZTR mower, 2013 Ferris Zero Turn, 3 weed whackers, pressure washer, leaf blowers, 7 foot bush hog, 8 foot landscape rake , 8 foot 3 PH disc, 2 row cultivator, 350 amp Miller AC/DC welding machine and all the tools needed to keep them all repaired and running.

  7. #7
    Veteran Member
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    Default Re: Losing pins off the back of the tractor

    Quote Originally Posted by joshuabardwell View Post
    Really?! I have always just un-bent them. Well, you learn something new every day.
    You must be referring to a different type of pin, possibly a soft cotter key where you bend the tails to hold them in.
    Cotter key/pins that get side pressure or something rotating against them often break.
    I was referring to a split roll pin. Roll pins are extremely hard and strong. You drive them in and drive them out.
    Sorry for my confusion.

  8. #8
    Elite Member
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    Bobcat CT225

    Default Re: Losing pins off the back of the tractor

    -cotter-pins-jpg

    These are the pins I'm referring to. I have heard both of these referred to as "cotter pins". The ones on the left are "spring-type" and the ones on the right are "split-type".

  9. #9
    Veteran Member RDrancher's Avatar
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    Sanger, Texas
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    New Holland TC35D, Case TR320 CTL

    Default Re: Losing pins off the back of the tractor

    John

    My Work & Stuff Photo Thread: http://www.tractorbynet.com/forums/p...to-thread.html

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  10. #10
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    Default Re: Losing pins off the back of the tractor

    Quote Originally Posted by joshuabardwell View Post
    -cotter-pins-jpg

    These are the pins I'm referring to. I have heard both of these referred to as "cotter pins". The ones on the left are "spring-type" and the ones on the right are "split-type".
    The ones on the bottom left are normally called "hitch pin clips" They are used on the top link of attachment pins.
    Using them on lower links or anywhere near the ground is asking to have them pulled out by weeds. They need to be sized for the pin they hold, and even then are very subject to being too loose. They get bent.
    Not my favorite type of fastener....
    Go to tractor supply.com and look at the various pins available under "hitch pins"
    You will find what you need there.

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