PTO Post hole digger auger coupling too large

[iancorey]

I bought a used post hole digger and the output from the gear box is 2.5" OD. All the augers I can find are 2 inch ID. I know I can get a coupling to reduce (not cheap) but I'm wondering what I've bought. Thanks in advance for any help.

 

[bearskinner]

Can’t you just make a sleeve 3/16 or 1/4” wall and slip the three together? I know new trucks with a
large hitch receptical come with an adapter sleeve for using smaller hitches

 

[SidecarFlip]

Schedule 40 tube and a welder are your friend. Just welded up an extension on mine so I could auger 5' deep holes.

 

[NHSleddog]

Will a simple adapter work? If not, just weld something up.

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[North Idaho Wolfman]

I bought a used post hole digger and the output from the gear box is 2.5" OD. All the augers I can find are 2 inch ID. I know I can get a coupling to reduce (not cheap) but I'm wondering what I've bought. Thanks in advance for any help.

To give any more advice than what was already given, would need to know what brand/model PHD you bought.