Results 1 to 10 of 10
  1. #1
    Platinum Member Ryan03's Avatar
    Join Date
    Feb 2006
    Posts
    650
    Location
    Chardon Ohio
    Tractor
    Farmtrac DTC270, Kubota G5200hydro, Honda recon 250, Suzuki King Quad 450 4x4, 2003 2500 DMax/Allison 4x4

    Default 3 pt post hole digger.

    I will be building a pole barn this summer. I will be doing most of the work myself, including drilling the post holes. My tractor is a Farmtrac DTC 270, 27hp W/ FEL. I need to drill 18in diameter post holes 48in deep. The soil type is 2ft of sandy loam topsoil on the surface, and the rest is clay underneath. My questions are, can a typical 3pt post hole digger handle a 18in auger bit, and is 26 pto hp enough to drive an 18 in bit if the operator takes his time and takes a small bite with the digger.


    Thanks Ryan.

  2. #2
    Gold Member
    Join Date
    Aug 2008
    Posts
    373
    Location
    Darlington, SC
    Tractor
    1957 Ferguson 35, 1977? Yanmar 2200, 1963 Cub Cadet Original

    Default Re: 3 pt post hole digger.

    yes. I usually use my Ferguson but I have drilled 12 inch holes with my 22 hp Yanmar. Only problem is if I don't raise the auger and sling the dirt off every foot or so it will screw the auger in the ground like a big woodscrew and the little tractor doesn't have enough weight to pull it out. It will raise the front off the ground instead. Then I have to go get the farm jack to jack up by the auger to break it free.

    Take your time and sling the dirt off every foot or so and you'll be ok I think.
    modify, adjust and improvise....a country boy can survive

  3. #3
    Super Member grsthegreat's Avatar
    Join Date
    Jan 2011
    Posts
    6,447
    Location
    north idaho
    Tractor
    dk45se hst cab

    Default Re: 3 pt post hole digger.

    just a quick question.......are you sure only 18" hole?

    Ive been under the assumption that a 24" dia hole is required. especially if you have snow loads.

    Personally, when i built mine i rented a bobcat skid steer with power down 24" auger ....worked slick
    currently own
    2011 Kioti DK45SE HST CAB tractor/loader, Jimna 6" - 3 point wood chipper, 60" JD Brush Hog, JD 60" Rototiller, 3 point post hole digger with hydraulic assist, 3 point spring tooth rake, Fimco 55 gallon weed sprayer with 12 foot boom, 3 point hydraulic wood splitter (home built)
    Quick Attach 79" loader mount snowblower & rear powerpack
    Quick Attach 84" Snow Blade
    Quick Attach 42" pallet forks

  4. #4
    Veteran Member yelbike's Avatar
    Join Date
    Nov 2011
    Posts
    1,490
    Location
    Near Winnipeg, Mb, Canada
    Tractor
    John Deere 2305, 2320,Z465

    Default

    Quote Originally Posted by grsthegreat View Post
    just a quick question.......are you sure only 18" hole?

    Ive been under the assumption that a 24" dia hole is required. especially if you have snow loads.

    Personally, when i built mine i rented a bobcat skid steer with power down 24" auger ....worked slick
    What depth is needed
    Carefull what you aim for, Aim for nothing and you will achieve it with amazing accuracy.

  5. #5
    Platinum Member Ryan03's Avatar
    Join Date
    Feb 2006
    Posts
    650
    Location
    Chardon Ohio
    Tractor
    Farmtrac DTC270, Kubota G5200hydro, Honda recon 250, Suzuki King Quad 450 4x4, 2003 2500 DMax/Allison 4x4

    Default Re: 3 pt post hole digger.

    Quote Originally Posted by yelbike View Post
    What depth is needed
    I would like to go 48in. Code is 42in minimum depth. I would like to drill 48in, then pour 6in of concrete in the bottom of each hole.

  6. #6
    Gold Member
    Join Date
    Nov 2010
    Posts
    370
    Location
    Frozen part of WI
    Tractor
    John Deere 855

    Default Re: 3 pt post hole digger.

    If I had to do this job with my JD855 and old Speeco phd, in that kind of ground, I would drill the top sandy part with the 18" drill then if the clay is too hard to drill out with the 18", I would drill a 6-9" pilot hole to full depth and drill out to size with the 18"

    You can most likely do it in one shot with a rented skid steer or similar, but that is $ out of pocket when you have these tools on hand already...
    Good luck

  7. #7
    Silver Member
    Join Date
    May 2009
    Posts
    149
    Location
    Central Illinois
    Tractor
    several kinds and sizes

    Default Re: 3 pt post hole digger.

    Dont know your codes but when we built our 60 x 120, we had to go 2 foot diameter and 4 foot deep then go concrete bottom for the posts to sit on! I did a different backfill to beef up the posts even more than code! thanks; sonny580

  8. #8
    Gold Member
    Join Date
    Aug 2008
    Posts
    373
    Location
    Darlington, SC
    Tractor
    1957 Ferguson 35, 1977? Yanmar 2200, 1963 Cub Cadet Original

    Default Re: 3 pt post hole digger.

    Ryan, not sure I'd pre-drill the holes with a smaller bit. You ever tried doing that with a wood drill bit? Doesn't work except for a small pilot hole. I think it would cause your auger to possible flop and walk sideways.

    I think you have the right idea, go slow, take your time and keep raising the auger to shake the dirt and not let it screw into the ground like a wood screw. My phd works with the weight of it pushing into the ground, it's old and heavy, gearbox weighs 100lb probably. It digs well, too well if on the little tractor. Just go slow and check it often to make sure it's drilling and not screwing. I think you'll be ok.
    modify, adjust and improvise....a country boy can survive

  9. #9
    Super Member grsthegreat's Avatar
    Join Date
    Jan 2011
    Posts
    6,447
    Location
    north idaho
    Tractor
    dk45se hst cab

    Default Re: 3 pt post hole digger.

    Quote Originally Posted by yelbike View Post
    What depth is needed
    here they require 48"
    currently own
    2011 Kioti DK45SE HST CAB tractor/loader, Jimna 6" - 3 point wood chipper, 60" JD Brush Hog, JD 60" Rototiller, 3 point post hole digger with hydraulic assist, 3 point spring tooth rake, Fimco 55 gallon weed sprayer with 12 foot boom, 3 point hydraulic wood splitter (home built)
    Quick Attach 79" loader mount snowblower & rear powerpack
    Quick Attach 84" Snow Blade
    Quick Attach 42" pallet forks

  10. #10
    Silver Member
    Join Date
    Dec 2006
    Posts
    102
    Location
    Dripping Springs, Texas
    Tractor
    New Holland TC30

    Default Re: 3 pt post hole digger.

    My TC30 has about the same PTO HP as yours. I finished digging some tree holes with a 2' auger in packed clay. The holes were 2'-3' deep each. I could've gone deeper if I had an auger extension. Just make sure you pull the auger up frequently enough not to bury the auger so deep your tractor can't lift the dirt + auger.

Similar Threads

  1. Posthole Digger Post Hole Digger
    By mjdtexan in forum Attachments
    Replies: 30
    Last Post: 11-06-2008, 10:43 AM
  2. Post Hole digger by Hole King
    By Jim57 in forum Owning/Operating
    Replies: 21
    Last Post: 05-30-2006, 11:53 PM
  3. Posthole Digger PTO post hole digger Vs Hydraulic Post hole digger
    By kcook in forum Attachments
    Replies: 4
    Last Post: 11-24-2005, 12:40 AM
  4. Posthole Digger Post hole digger versus post hole driver?
    By Cormac in forum Attachments
    Replies: 2
    Last Post: 11-17-2005, 08:58 PM
  5. Posthole Digger Post Hole Digger - How to make a straight hole?
    By stephan in forum Attachments
    Replies: 7
    Last Post: 03-07-2004, 08:16 PM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
© 2014 TractorByNet.com. TractorByNet is a registered trademark of IMC Digital Universe, Inc. Other trademarks on this page are the property of their respective owners.