Go BottomKubota 6100D post hole digger
 | Dan
Join Date: Posts: 1 
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2001-10-05 32230
Greetings, Does anyone use an auger on a Kubota 6100D? I'm thinking of buying one but wonder if the lift height and auger size is adequate to dig a deep enough hole for fence posts. Any thoughts? Thanks, Dan
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| TomG
Join Date: Feb 2002 Posts: 5406 Upper Ottawa Valley 
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2001-10-06 32233
I bought a 12" auger for my Ford 1710 this summer. I can't compare the ground clearance and lift height of the two tractors, but I had no problem putting in 4' holes for a post and skirt foundation and later 3' holes for a rail fence. To get 4' without an extension, I did have to dig until the gearbox was partially in the holes and the pto shaft was almost on the ground. I didn't really notice, but I think my 3ph lower link arms still had a-ways to go before they hit the ground. If so, the depth limitation is due to the auger and tractor ground clearance rather than the 3ph. The lower links on my 3ph will lower to the ground. I think the typical problem with a big auger on low clearance compacts is that the auger point may not clear ground level when the 3ph is full up. Most augers have a series of three mounting positions that raise or lower the auger with respect to the ground. The auger may have to be used in the highest position on a low clearance tractor, and of course then the digging depth is a bit less. I am able to use the centre height position with my 1710 and drive around without the auger point dragging over minor bumps or when starting up slopes. I found an operating trick that is useful for digging deep holes. For deep holes, the tractor has to be repositioned a bit to keep the hole vertical (the reason is that 3ph's lower in arcs rather than a true verticals). I found that digging in the loader blade and using the bucket curl to move the tractor is a lot easier than putting the tractor in gear and driving it a few inches. I believe I own that trick to somebody here who uses the technique for making small position adjustment when mounting implements. What I’d do is get a dealer to recommend an auger. It should be a dealer’s business to know what works with the tractors they sell and to make it right if something doesn’t work. ....
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 | Art White
Join Date: Jan 2000 Posts: 6898 Waterville New York
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2001-10-06 32234
Before you buy make sure it will go as deep as you need for your area. Your caution in the areas you questioned is wise. Ask the dealer to let you see it on the tractor. ....
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| TomG
Join Date: Feb 2002 Posts: 5406 Upper Ottawa Valley
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2001-10-06 32239
I think Art's comment about 'deep enough in your area' relates to soil types. That's something I hadn't thought about. The soil here is very sandy-- but with enough rocks to break three shear pins in 23 holes. I do recall that in talking to a dealer about the auger, I was asked about the soil. I got a sense that a relatively lightweight auger with a standard point may not penetrate heavy clay soils, but that's not relevant in my area. I guess it should go without saying that a person should know what the soil is like as deep as they're going to dig as well as the physical depth limitations of the tractor and auger. Something I don't have to guess about is that Art provides an illustration of why it's good to consult a dealer. Dealers think about things that most of us ordinary owners miss. ....
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| Art White
Join Date: Jan 2000 Posts: 6898 Waterville New York
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2001-10-06 32240
My reply was in reference to a fellow who came in to the store that had bought an auger from someone else and came to me to make it work. It was for the catagory 1 three point hitch, but for a larger frame tractor. He did have to drag the auger at all times as there was no adjustment on that brand as what Tom spoke of. That might have something to do with why it was such a bargin as he told me compared to what I recommended. All three point hitches are different as to lift heights, widths and capacity. ....
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| Dan
Join Date: Posts: 1
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2001-10-07 32265
Thanks for all the helpful hints and other info. It gives me a better idea what to look for.Hopefully I'll be able return the favor one day and provide sage advise to a novice tractor owner.
Thanks again,
-Dan-
....
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| TomG
Join Date: Feb 2002 Posts: 5406 Upper Ottawa Valley
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2001-10-08 32275
Glad our comments helped. I'll note after the fact that power is an issue. My 12" auger is the about the only application that challenges the engine on my 24 pto hp tractor. Hydraulic applications under heavy loads stall and the relief valve open before the engine lugs. With ground engaging implements, the traction on my turf tires gives up before the engine lugs unless I'm geared way high. Not so with the auger: At around 1500 rpm and digging well in sand, the engine almost killed several times when I lifted up the 3ph while still digging. You have to lift the 3ph periodically when digging deep or the auger may get stuck in the curved hole that results. I undoubtedly could manage the problem by running closer to pto rpm or by easing the 3ph down slowly. However, it's interesting to notice that I never have to think about running out of power with anything except the auger, and I guess I should add the snow blower as well. The engine will start to lug if I back into a 3' plus drift unless I'm geared way down. At any rate, there was a 14" auger available through another dealer. Given the performance of my 12" auger, I’m just as happy I didn't get a 14" one. Farmers who are building pole barns like 14" augers, because the holes give more room for lining up and plumbing the poles, but then I'm not building a barn and I don't have a farm tractor to run the auger. ....
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