This is American Pneumatic Tool part number 1280582928, listed as 17654 before the renumbering cylinder, stocked at Crowder Supply as APT17654. The cylinder is the bore the piston runs in, and it sets the working clearance of the rock drill once the bore opens up, air bypasses the piston and blow energy drops.
You will find it on the diagram for the 109 Mini Rock Drill. The complete machine is the APT 109 Pneumatic Rock Drill. Check it against the reference number on the diagram first; serial breaks change what fits.
Everything else on that machine is one page away, and the parts diagram hub indexes every breakdown we publish. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 1280582928
- Previous part number: 17654
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT17654
- Listed on breakdowns for: 109 Mini Rock Drill
