This is Atlas Copco part number 0661100040, cross-referenced to 3377016375 seal ring, stocked at Crowder Supply as AC-0661100040. 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 LPD-T & RV Hydraulic Post Driver and LGRD RV 16 RV25 Hydraulic Ground Rod Driver, and on 16 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.
Everything else on that machine is one page away on the parts diagram hub; complete tools are on the Atlas Copco catalog. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 0661100040
- Also listed as: 3377016375
- Manufacturer: Atlas Copco
- Crowder SKU: AC-0661100040
- Listed on breakdowns for: LPD-T & RV Hydraulic Post Driver, LGRD RV 16 RV25 Hydraulic Ground Rod Driver, LPD-HD-T & RV Hydraulic HD Post Driver, LP 9-20P 9-20E Hydraulic Power Pac, LP 13-30P Hydraulic Power Pac, LP 18-30PE & 18-40 PE Hydraulic Power Pac, +12 more
