The K7770 quick coupler is definitely the way to go.Wrong bucket pin size. Bh use std. bucket pins 1-1/4 1-1/2. The excavators use 30 and 40mm. My profile pic is a bh92 with a k7770 quick coupler and k787x series buckets.
Rent a trencher from Home Depot for about $170. Less mess and property destruction, easy backfill.Anyone out there willing to part with a bt3001 12 inch bucket in Wisconsin ? Need to dig a trench for my pole shed wires and my 24 inch bucket is a bit to wide