This is the Atlas Copco adapter part number 3121071600, Crowder SKU AC-3121071600. It makes the air or hydraulic connection to the pusher leg. Thread and sealing-face condition here is the difference between full pressure at the tool and a slow leak nobody notices.
It shows up in the parts breakdown for the BBC 34W WS Pusher Leg Drill and BBC 34DSI Rock Drill, and on 1 other machine. 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: 3121071600
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3121071600
- Listed on breakdowns for: BBC 34W WS Pusher Leg Drill, BBC 34DSI Rock Drill, BBC 16W WS Pusher Leg Drill
