This is the Atlas Copco piston part number 3371821132, Crowder SKU AC-3371821132. It is the working heart of the post driver. Pistons are matched to the cylinder bore, so replacing a worn one usually means checking the bore at the same time.
It shows up in the parts breakdown for the PDR 75T 75RV Hydraulic Post Driver and MDR 75T HBP 75 RV HBP Hydraulic Post Driver, and on 2 other machines. Compare it to the reference callout on the diagram to be sure it is the position you need.
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. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 3371821132
- Manufacturer: Atlas Copco
- Crowder SKU: AC-3371821132
- Listed on breakdowns for: PDR 75T 75RV Hydraulic Post Driver, MDR 75T HBP 75 RV HBP Hydraulic Post Driver, LH 22 23E 27 28E Hydraulic Paving Breaker, LPD-T & RV Hydraulic Post Driver
