This is American Pneumatic Tool part number 1280583512, which replaced the older number 03357 throttle valve, stocked at Crowder Supply as APT3357. It is part of the operator control on the digger. Because it is handled every cycle of every shift, wear here is felt as a vague or sticky trigger long before the machine stops.
You will find it on the diagram for the 119 Trench Digger and 133-T/1133-T Rivet Buster. That machine is the APT 119 Pneumatic Trench Digger if you are pricing a replacement rather than a repair. Compare it to the reference callout on the diagram to be sure it is the position you need.
Need the parts around it? They are on the same breakdown, and the parts breakdown index covers every machine we publish. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: 1280583512
- Previous part number: 03357
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT3357
- Listed on breakdowns for: 119 Trench Digger, 133-T/1133-T Rivet Buster
