This is the Tamco/Toku piston for TCH4 part number Y10470030, Crowder SKU TK-Y10470030. The piston is the striking mass of the chipping hammer; its condition sets impact energy, so scoring, mushrooming, or lost diameter shows up directly as reduced production.
The published breakdown lists it on the TCH 2 3 4 Chipping Hammer. Compare it to the reference callout on the diagram to be sure it is the position you need.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts diagram library. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: Y10470030
- Manufacturer: Tamco/Toku
- Crowder SKU: TK-Y10470030
- Listed on breakdowns for: TCH 2 3 4 Chipping Hammer
