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 | John Talbert
Join Date: Posts: 1 
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2000-01-07 11774
I see that post hole augers only come as big as 12". Is it possible to dig a hole 20" wide by repositioning the auger slightly between multiple bores?
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| Chris in IN
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2000-01-07 11776
John John Deere has 14", 18" & 24" augers for there post hole diggers.
Although I have not used a powered post hole digger I do not think it would be safe to try and dig a large hole by digging several small cuts. You will loose control of the auger. Chris ....
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| JonB
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2000-01-08 11777
John, I agree with Chris. I've a powered posthole digger w/ 12" auger and have failed at digging holes side by side. The auger naturally heads where there is less resistance (veering into the first hole)--especially in hard ground. It might work if the ground is exceptionally soft, but then you wouldn't need a powered drill. Best of luck. JonB ....
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| David Paul
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2000-01-08 11779
The original post did not say if a handheld or tractor mounted post hole auger was being used. I have used a tractor mounted post hole digger for drilling multiple holes close together (to make one large hole) to plant trees and it worked great. This was done in hard red clay rocky soil. You just have to do a little hole clean up with a shovel. A handheld unit might not work for multiple holes, but even in a single holes they are arm breakers anyway. Larger bits are available for most tractor mounted diggers. ....
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| John Talbert
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2000-01-08 11780
To clarify my original post, I would be using a tractor mounted auger to dig footings for pole barn posts. I guess the ideal method would be to buy a bigger auger if available! ....
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| Carl in VA
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2000-01-08 11784
John, Check out Danuser's web site for info on larger augers. I use a 24" bit on my Danuser for digging shrub holes and footings for posts. Carl.
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Link: Danuser Machine Co.
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| JerryGoucher
Join Date: Feb 2002 Posts: 100 NW AR
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2000-01-08 11785
John, I don't know what kind of soil you have, but in my area our soil is not soft and sandy. Given this, most pole barns that are built here, don't have any concrete around the pole or if they do it's just enough (2-3" bigger than the hole) to tie the pole into solid undisturbed soil. I have a large one, thats 20'X 120' that we built in 1972 with no concrete in the pier holes and it's still solid. JerryG ....
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