Back Up Ring carries Atlas Copco part number 3371817756 and is stocked here under AC-3371817756. It secures the components around it and is treated as a single-use item on reassembly.
Crowder’s breakdowns list this part on the RDR 48R Rock Drill and RDR 48M Rock Drill, and on 1 other machine. Pull up the diagram and confirm the reference number for your serial before ordering.
Use the parts diagram library to work through the rest of the assembly, or the Atlas Copco tool range if you are pricing a replacement machine. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 3371817756
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371817756
- Listed on breakdowns for: RDR 48R Rock Drill, RDR 48M Rock Drill, LHD 23M Hydraulic Rock Drill
