Seal – 28/36×5.7, Atlas Copco part number 3371814172, listed at Crowder Supply as AC-3371814172. It keeps air or oil where it belongs inside the rock drill. Once it flattens or hardens, the machine loses pressure across the joint and performance falls off gradually rather than all at once.
It shows up in the parts breakdown for the RDR 48M Rock Drill and MH 11 Hydraulic Paving Breaker, and on 10 other machines. 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. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 3371814172
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371814172
- Listed on breakdowns for: RDR 48M Rock Drill, MH 11 Hydraulic Paving Breaker, MDR 30T Hydraulic Post Driver, LH 18 19E Hydraulic Paving Breaker, LH180 190E Hydraulic Paving Breaker, LH11 Hydraulic Pick Hammer, +6 more
