This is Atlas Copco part number 3121057280 throttle valve – complete, stocked at Crowder Supply as AC-3121057280. It is part of the operator control on the rock drill. Because it is handled every cycle of every shift, wear here is felt as a vague or sticky trigger long before the machine stops.
It shows up in the parts breakdown for the BBD 94W 94WS 94WE Rock Drill. Compare it to the reference callout on the diagram to be sure it is the position you need.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the full diagram library. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 3121057280
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3121057280
- Listed on breakdowns for: BBD 94W 94WS 94WE Rock Drill
