Description
The CAT Pumps 290 is a frame-size 3, industrial-grade piston pump. This is a “classic” design for which CAT Pumps became famous, known for its incredible durability and “run-forever” reputation if properly maintained. Unlike newer plunger pumps, the 290 uses a moving piston rod assembly that physically carries the seal (cup) through the cylinder.
## Performance Specifications
The 290 is designed for continuous, heavy-duty cycles in applications like car washes, misting, and industrial pressure cleaning.
| Feature | Specification |
| Max Flow Rate | 3.5 GPM (13.2 LPM) |
| Pressure Range | 100 to 1,200 PSI |
| Pump RPM | 1200 RPM |
| Shaft Diameter | 16.5 mm (Solid Shaft) |
| Inlet Port | 1/2″ NPT(F) |
| Discharge Port | 3/8″ NPT(F) |




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