Back Head Ass’y, Chicago Pneumatic part number R145778, listed at Crowder Supply as CP-R145778. This is the upper housing of the breaker, taking the through-bolt load and the inlet connection.
You will find it on the diagram for the CP 1240 1240S 1240SVR Paving Breaker. Pull up the diagram and confirm the reference number for your serial before ordering.
The rest of the assembly is on the same breakdown, and every diagram we publish is indexed on the parts diagram library. Ships from our Denver warehouse; in-stock parts ordered by 4 PM ET go out the same day.
- Part number: R145778
- Manufacturer: Chicago Pneumatic
- Crowder SKU: CP-R145778
- Listed on breakdowns for: CP 1240 1240S 1240SVR Paving Breaker

