This is the Atlas Copco diaphragm part number 3371814052, Crowder SKU AC-3371814052. It seals a pressure joint inside the post driver, and because elastomer takes a set long before the metal around it wears, it is one of the first items to replace when a machine starts weeping air or oil.
It shows up in the parts breakdown for the MDR 30T Hydraulic Post Driver and MDR 75T HBP 75 RV HBP Hydraulic Post Driver, and on 25 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 parts diagram library indexes every breakdown we publish, and the Atlas Copco lineup has the tools these parts go into. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 3371814052
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371814052
- Listed on breakdowns for: 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, LH 39 40E Hydraulic Paving Breaker, LH390 390HBP 400E 400E HBP Hydraulic Paving Breaker, +21 more
