Excavator trenching attachment - GIF

Excavator trenching attachment.

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Previously:

1946 hand-built trenching machine - video
BT500 subsea trenching machine - photo and video
Belt-driven tractor with giant trenching wheel - GIF
Continuous trenching machine - GIF
Excavator narrow trenching bucket - GIF
Narrow trenching clamshell bucket - GIF
Pipe trenching, laying, and backfilling machine - GIF
Trenching shovel - GIF
V-trenching excavator - GIF

Interesting. Seems that attachment would be so easy to break off or bend out of shape on a hidden rock!!

If he had put that on the back of the bucket, maybe in the center pointing down, he'd still be able to (sort of effectively) use the bucket to scoop up the removed material.