This is Atlas Copco part number 3115183700 ratchet wheel, stocked at Crowder Supply as AC-3115183700. It drives or indexes rotation. When it wears, the tool still hammers but stops turning the steel evenly.
You will find it on the diagram for the BBD 94W 94WS 94WE Rock Drill. Check it against the reference number on the diagram first; serial breaks change what fits.
Use the parts diagram library to work through the rest of the assembly, or the Atlas Copco lineup if you are pricing a replacement machine. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 3115183700
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3115183700
- Listed on breakdowns for: BBD 94W 94WS 94WE Rock Drill

