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Cat Pumps 66DX40GG1 – Pressure Washer Pump – 4000 PSI, 4.0 GPM, Direct Drive Gas
In Stock
$326.00
In Stock
Cat Pumps 66DX40GG1 Pressure Washer Pump: Heavy-duty 4.0 GPM pump designed for industrial professionals who prefer external unloader configurations for maximum system customization and cooling.
- Airflow Volume: 15.1 L/min (4.0 GPM)
- Max Pressure: 4000 PSI (276 Bar)
- Drive Type: 1-inch Hollow Shaft Direct
- Material Specs: Ceramic Plunger / Brass
- Technical Logic: Non-Unloader (GG) Model
This Cat Pumps Pressure Washer Pump provides a fast changeover, even in the field. Pre-plumbed and pre-tested. Fits 4-bolt engine face plates. Bolts not included, use existing bolts from old pump to install new pump.
What’s Included
- (1) Pressure washer pump
| Item# | A157594 |
| Brand | CAT Pumps |
| Manufacturer’s Warranty | 12 months parts / 12 months labor |
| Ship Weight | 30.0 lbs |
| Application | Pressure washer pump |
| GPM | 4.0 |
| Max. PSI | 4,000 |
| Horsepower | 15 |
| Shaft Diameter | 1 |
| Fuel Type | Gasoline |







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