This is Atlas Copco part number 9234012620 tool chuck – complete 1-1/4 x 6, stocked at Crowder Supply as AC-9234012620. It holds the working steel in the breaker. Retention hardware is a wear and safety item a stretched or cracked retainer lets the steel move, which chews the front head.
Crowder’s breakdowns list this part on the Cobra ProE Gas Breaker and Cobra TTe TTeAWD Gas Tie Tamper, and on 2 other machines. Check it against the reference number on the diagram first; serial breaks change what fits.
Use the parts breakdown index to work through the rest of the assembly, or the Atlas Copco lineup if you are pricing a replacement machine. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 9234012620
- Manufacturer: Atlas Copco
- Crowder SKU: AC-9234012620
- Listed on breakdowns for: Cobra ProE Gas Breaker, Cobra TTe TTeAWD Gas Tie Tamper, Cobra Pro I Gas Paving Breaker, Red Hawk Rail Gas Tie Tamper
