This is Tamco/Toku part number 430120C8F cylinder – complete, stocked at Crowder Supply as TK-430120C8F. It carries the piston and the port timing for the rock drill. Bore wear is gradual, so it is usually diagnosed by falling performance rather than a breakdown.
It appears on the TJ 20 Rock Drill (RD 40) breakdown. The complete machine is the Tamco/Toku TJ-20 Rock Drill. Check it against the reference number on the diagram first; serial breaks change what fits.
Need the parts around it? They are on the same breakdown, and the parts diagram hub covers every machine we publish. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 430120C8F
- Manufacturer: Tamco/Toku
- Crowder SKU: TK-430120C8F
- Listed on breakdowns for: TJ 20 Rock Drill (RD 40)
