Kobelco/Komatsu buckets on Deere/Hitachi?

I recently got a very good deal on a fully working ~1982 Hitachi UH07-5LC (aka UH082) - a 200 size machine - with a hydraulic thumb and 7ft clean out bucket for clearing 12 acres for pastures and a homesite (basement and trenching), and doing other farm things (have 160 acres with gravel pit) at least as long as I can keep it running.

Now I need to find a digging bucket in the 24" - 36" range because things like the septic perc holes and electrical ditches need to be within that size...

Kobelco/Komatsu buckets on Deere/Hitachi?

Kobelco/Komatsu buckets on Deere/Hitachi?