Go BottomHow to operate a Post hole Auger
 | lins
Join Date: Posts: 1 
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2002-02-03 35243
I have a Kubota 21 hp. - 16 hp. at pto. with a 6", 9", 12" augers. I also have a downforce kit set up on digger. The teeth on the augers are blade and serrated edge. When digging holes that have small rocks in them the auger just rides on top of the rocks and doesn't dig them up. Does anyone know of a better way or auger attachment. The ground I'm digging in isn't all that hard. It costs me time and money to move tractor out of way and pull out the old clam shovel. I'm using a Danuser digger G20/40. Also have nagging wife that keeps on telling me " Told Ya So..."
frustrated.........lins........
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| Zinger
Join Date: Feb 2002 Posts: 3 Lafayette, NJ
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2002-02-03 35246
Do you have a B21? That's what I have and use the post hole digger with the 6" auger constantly. When it was new it would tear through anything. Now it needs help just getting through some grass. I know the safety nuts will yell at me but my dad and I take turns standing on the lift arms and leaning over the auger. Maybe if you can get your wife to do this she won't say " I told you so" and just be happy you're doing something together. Seriously, I read on another discussion that sharp cutting blades make a difference. Are your blades sharp? I'm definitely going to change the cutting edges on the auger when the ground thaws. Let me know how you make out. ....
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| TomG
Join Date: Feb 2002 Posts: 5406 Upper Ottawa Valley 
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2002-02-04 35274
Sharpening the auger is good. I use tempered pry bar with a chisel and a spike end to break up rocks etc. sometimes. I then lift out the pieces with a hand clamshell digger. Of course, it's a pain because the auger has to be lifted, the tractor moved and then repositioned. It works for occasional rocks and saves shear pins, but I'd go wild if I had to do if very often. I really don't want anybody anywhere near the rear of the tractor when the auger is mounted unless the PTO is disengaged. I worked in a hospital for a couple years that received lots of accident trauma cases. ....
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| JimTN
Join Date: Posts: 1
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2002-03-31 36925
Maybe this will help. I borrowed PHA from my farmer cousin and when I asked him what brand it is, he replied that he does not remember but thinks it came from the local Co-op about 10 years back. Here is what might help. It has two cutting edges (called double flight?) with a half-width cutting bit bolted to the bottom of each cutting edge. One bit cuts the outside and the other cuts the inside. While the 'stinger' seemed dull, the auger quickly dug through sod, clay and some rock the size of a fist. My guess is that those cutting bits did the real work.
Good luck ! ....
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| TomG
Join Date: Feb 2002 Posts: 5406 Upper Ottawa Valley
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2002-04-01 36934
I think there are a bunch of different types of augers for different soil conditions.
I think I've got a general-purpose bit, and it is pretty much as described. Once, I'm drilling away and the auger is down a few inches and just staying there. Eventually I wondered why it wasn't digging and took a look. The bit sort of cut a plug out of the meadow grass and was just spinning the plug and biting nothing. Cleaned out the bit and it dug just fine.
Another time, we wanted to but a break in a fence either side of a section of old highway on at our camp. It looks like a service road from the highway and we got tired of RV's stopping for lunch and worse in our front yard. The auger went down just under 3' and hit the old highway bed. I'm not sure what the bed was but the auger point sat on it and spun. I'm not sure if another type of bit would have penetrated it or not. We just put the posts in as deep as we could and then build up rock cairns from some blasted granite above ground level. You see the cairn idea sometimes where people have to run fences across bedrock outcroppings. I guess everybody knows to make sure the location of any utility line, septic field, well line or underground electrical service is known. We had a Bell cable that runs along the old highway. There were cable markers, but there is nothing in the property records.
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| kh
Join Date: Posts: 1
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2002-12-09 45899
Hello, the Danuser unit is an excellent digger. I too have one with a down force kit. First I line up my auger then drop the 3-pt. hitch all the way down. Then I applie just enough force to the down force ram to put pressure on the auger. Next, I engage the PTO while ajusting the throttle.As it begins digging down, I continue to apllie force to the ram while gauging the PTO speed. Just because it's rated at 540rpm, doesn't mean you have to run it that high. Rather use just the speed that makes it dig efficiently without damaging your unit. ....
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