This is Atlas Copco part number 3371818020 adapter – BSP 3.4, stocked at Crowder Supply as AC-3371818020. This is the supply connection for the breaker. Damaged threads or a chewed sealing face cost pressure at the working end.
It shows up in the parts breakdown for the MH55 55A HBP Hydraulic Paving Breaker and MH70 70A HBP Hydraulic Paving Breaker, and on 9 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.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts diagram hub. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 3371818020
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371818020
- Listed on breakdowns for: 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, LH220 220HBP 230E 230E HPB Hydraulic Paving Breaker, LH270 270HBP 280E 280E HBP Hydraulic Paving Breaker, +5 more
