Slip clutch on post-hole auger?
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Thread: Slip clutch on post-hole auger?

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    Evergreen's Avatar
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    Slip clutch on post-hole auger?

    I have a friend who lives in an area with fairly rocky soil. The have a tractor (early 2000's 45hp Cub Cadet) and are looking to get a post-hole auger because they want to put up a lot of fencing. They are worried that they will end up spending more time replacing shear pins than digging holes so they are wondering if a slip-clutch could be added to the PTO instead of using shear pins? Are there any augers that come from the factory with a slip-clutch rather than shear pins?

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    The slip clutch would be part of the PTO driveshaft, not the auger. I would have one added during purchase.

    If that can't be done, check out Agri-Supply as the had a slip clutch that can be added to a PTO shaft.

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    56FordGuy's Avatar
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    With proper technique, they shouldn't break many. Dig a little, lift and clear. If you let it screw itself all the way in you're sunk regardless of a clutch or shear bolt.

    I've never seen one sold with a slip clutch, but somebody may offer it. If not, I would buy a shear bolt model and use it as is a time or two before adding a clutch.
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    Quote Originally Posted by 56FordGuy View Post
    With proper technique, they shouldn't break many. Dig a little, lift and clear. If you let it screw itself all the way in you're sunk regardless of a clutch or shear bolt.

    I've never seen one sold with a slip clutch, but somebody may offer it. If not, I would buy a shear bolt model and use it as is a time or two before adding a clutch.
    I agree with Blake. Although I would worry more about eating through a lot of auger teeth than anything else.
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    I can't stick my auger in our property without hitting rocks and roots. I've never broken a shear pin, but I have screwed it in a few times. It can happen no matter how diligent you are on the 3pt and PTO button in poor soil. Run at idle and go slow. I'd have a few shear pins just in case, but what you really need is reverse for the auger. I got the aluminum 36" reverse for mine, but they make a 48" reverse too.

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    Quote Originally Posted by Bubber View Post
    I can't stick my auger in our property without hitting rocks and roots. I've never broken a shear pin, but I have screwed it in a few times. It can happen no matter how diligent you are on the 3pt and PTO button in poor soil. Run at idle and go slow. I'd have a few shear pins just in case, but what you really need is reverse for the auger. I got the aluminum 36" reverse for mine, but they make a 48" reverse too.

    Click image for larger version. 

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    Yes, I added the reverse option to mine also.
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    Quote Originally Posted by Bubber View Post
    I can't stick my auger in our property without hitting rocks and roots. I've never broken a shear pin, but I have screwed it in a few times. It can happen no matter how diligent you are on the 3pt and PTO button in poor soil. Run at idle and go slow. I'd have a few shear pins just in case, but what you really need is reverse for the auger. I got the aluminum 36" reverse for mine, but they make a 48" reverse too.

    Click image for larger version. 

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    I have the 48" steel reverse option. Just need a new PHD to try and avoid using it on.
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    Thanks for the advice! I'll pass it up the pipeline.

    '50 Model M w/electronic ignition, 12v conversion, and a 3pt conversion plus a homemade snowplow, a Deere Model 51 trailer plow, a Woods RM59 finish mower, a Bark Buster splitter, and a few other toys.
    '69 Sears Suburban 14 48" deck and 42" back blade, an estate rake, and a sweeper.
    '07 F250 XL Powerstroke, crew cab, short box, 4x4.
    '85 F150... I finally sold my very first truck after racking up over half-a-million miles on the original drivetrain.

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    I wish I had a slipper on mine. In poor conditions with a big auger there's no amount of operator effort or finesse that will prevent breaking shear bolts. Replacing them every five minutes makes for a long aggravating day.
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    Quote Originally Posted by Bubber View Post
    I can't stick my auger in our property without hitting rocks and roots. I've never broken a shear pin, but I have screwed it in a few times. It can happen no matter how diligent you are on the 3pt and PTO button in poor soil. Run at idle and go slow. I'd have a few shear pins just in case, but what you really need is reverse for the auger. I got the aluminum 36" reverse for mine, but they make a 48" reverse too.

    Click image for larger version. 

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    Been there done that with my old tractor. Picked the front tires off the ground about 2 feet before I could think to lower the 3 pt. More than once.
    Bubber likes this.

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