Gear Flange, Atlas Copco part number 3371817177, listed at Crowder Supply as AC-3371817177. 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 RDR 48R Rock Drill and RDR 48M Rock Drill, and on 1 other machine. Check it against the reference number on the diagram first; serial breaks change what fits.
Use the full diagram library to work through the rest of the assembly, or the Atlas Copco catalog 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: 3371817177
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371817177
- Listed on breakdowns for: RDR 48R Rock Drill, RDR 48M Rock Drill, LHD 23M Hydraulic Rock Drill
