Needle Bearing carries Atlas Copco part number 4090036900 and is stocked here under AC-4090036900. Bushings carry the running clearance in a tamper. They are meant to wear first, which is exactly why they are a stocked service item.
Crowder’s breakdowns list this part on the Cobra TT TT/AWD Gas Tie Tamper and Cobra Pro Gas Paving Breaker, and on 1 other machine. Check it against the reference number on the diagram first; serial breaks change what fits.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts breakdown index. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: 4090036900
- Manufacturer: Atlas Copco
- Crowder SKU: AC-4090036900
- Listed on breakdowns for: Cobra TT TT/AWD Gas Tie Tamper, Cobra Pro Gas Paving Breaker, Cobra MK1 Gas Paving Breaker

