Ratchet Ring carries American Pneumatic Tool part number 1280582257 the number that superseded 01643 and is stocked here under APT1643. Rotation components on a rock drill take a load impulse on every blow, so they are wear items with a predictable service life.
You will find it on the diagram for the 155 Rock Drill. Check it against the reference number on the diagram first; serial breaks change what fits.
Use the parts diagram library to work through the rest of the assembly, or the APT lineup 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: 1280582257
- Previous part number: 01643
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT1643
- Listed on breakdowns for: 155 Rock Drill
