Ordering by number: this is 3121057182, the Atlas Copco back head – complete. This is the upper housing of the rock drill, taking the through-bolt load and the inlet connection.
It appears on the BBD 94W 94WS 94WE Rock Drill breakdown. Check it against the reference number on the diagram first; serial breaks change what fits.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the full diagram library. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 3121057182
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3121057182
- Listed on breakdowns for: BBD 94W 94WS 94WE Rock Drill
