This is the Atlas Copco back up washer part number 3371815735, Crowder SKU AC-3371815735. This distributes bolt load across the joint face on the breaker. Flattened or dished washers are replaced during reassembly.
Crowder’s breakdowns list this part on the MH55 55A HBP Hydraulic Paving Breaker and MH70 70A HBP Hydraulic Paving Breaker, and on 23 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.
Use the parts breakdown index to work through the rest of the assembly, or the Atlas Copco tool range if you are pricing a replacement machine. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 3371815735
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371815735
- Listed on breakdowns for: MH55 55A HBP Hydraulic Paving Breaker, MH70 70A HBP Hydraulic Paving Breaker, MDR 30T Hydraulic Post Driver, MDR 75T HBP 75 RV HBP Hydraulic Post Driver, LH 18 19E Hydraulic Paving Breaker, LH 22 23E 27 28E Hydraulic Paving Breaker, +19 more
