Well I now know the brand, quality, difficulty of assembly and if it will work on my
B7610.
First of all - This might be lengthy.
My travels brought me within about 2 miles of the Petersburg, Va store so I decided to swing by and maybe get a PHD.
Agrisupply now lists 3 tractor posthole diggers:
#48598 Heavy Duty Post Hole Digger $359.95
#31391 Posthole Digger 50 HP $339.95
#69499 3 Point Post Hole Digger Frame With Gearbox $349.95
I thought any one of the three would do for me, but I like to see things before I buy them.
SO I get there and look. They only had 1 set up, the #31391, and I was told they others in crates, but no #48598's, just #31391's and #69499's, the store guys referred to the #69499's as the "black ones". (They said the metal shroud on it was much cheaper).
Well the #31391 Posthole Digger 50 HP looked ok to me (definitely no Bush Hog but hopefully sturdy enough). So I bought it, a #56932 (9" auger for Dale Philips), and a #56933 (12" auger for Dale Philips). Then also a handful of shear bolts of both sizes. Agrisupply carries 2 line of augers, these looked like the heavier duty ones.
I forgot gear oil, had to buy that later.
Assembly was straightforward. The only problem was I couldn't get the oil drain plug out, but I'll get that later.
Quality - The metal looks good, heavy. The paint job is less than adequate. It's like an afterthought. Big drips, bolts painted solid. Almost reminds me of a rattle can paint job.
So I put it together and found that everything fit and with my 3 PT raised to the max I had about two or three inches of clearance for the point of the auger to miss the ground
Drilled several hole in fairly soft soil. Seems to work well and a good bang for the buck.