This is the Atlas Copco lock ring part number 3371820727, Crowder SKU AC-3371820727. It locates or retains an assembly inside the breaker. Small as it is, a sheared or walked-out pin lets a whole subassembly shift.
It appears on the BRK 55 55VR 55VR HBP 55 HBP Hydraulic Paving Breaker and PDR 75T 75RV Hydraulic Post Driver, and on 9 other machines breakdown. Pull up the diagram and confirm the reference number for your serial before ordering.
If you need the parts around it, the parts breakdown index has the full breakdown library, and the Atlas Copco tool range covers the machines themselves. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 3371820727
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371820727
- Listed on breakdowns for: BRK 55 55VR 55VR HBP 55 HBP Hydraulic Paving Breaker, PDR 75T 75RV Hydraulic Post Driver, MH55 55A HBP Hydraulic Paving Breaker, MH70 70A HBP Hydraulic Paving Breaker, MDR 75T HBP 75 RV HBP Hydraulic Post Driver, LH 22 23E 27 28E Hydraulic Paving Breaker, +5 more
