Back Head is the American Pneumatic Tool service part carried under part number 1280582657 the number that superseded 17942. The back head closes the top of the breaker and carries the air inlet and control gear, so damage here usually shows up as a leak at the handle rather than lost power.
It appears on the 140 Paving Breaker and 140 Paving Breaker – Former Construction breakdown. The tool itself is the APT 140 Pneumatic Paving Breaker. 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 library covers every machine we publish. Denver stock, with same-day shipment on in-stock orders in by 4 PM ET.
- Part number: 1280582657
- Previous part number: 17942
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT17942
- Listed on breakdowns for: 140 Paving Breaker, 140 Paving Breaker – Former Construction
