This is Atlas Copco part number 3371820267 spool socket, stocked at Crowder Supply as AC-3371820267. This part controls the working cycle of the breaker. When its faces wear, the tool sounds different and the blow rate falls off usually the first thing checked on a slow machine.
It shows up in the parts breakdown for the MH70 70A HBP Hydraulic Paving Breaker and MDR 75T HBP 75 RV HBP Hydraulic Post Driver, and on 14 other machines. Worth matching the reference number on the diagram against your own machine before you order the same part number can sit in more than one position.
If you need the parts around it, the parts diagram library has the full breakdown library, and the Atlas Copco lineup covers the machines themselves. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 3371820267
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371820267
- Listed on breakdowns for: MH70 70A HBP Hydraulic Paving Breaker, MDR 75T HBP 75 RV HBP Hydraulic Post Driver, LH 22 23E 27 28E Hydraulic Paving Breaker, LH 39 40E Hydraulic Paving Breaker, LH390 390HBP 400E 400E HBP Hydraulic Paving Breaker, LH220 220HBP 230E 230E HPB Hydraulic Paving Breaker, +10 more
