Cat Pumps
4DX29GUIF Cat Pressure Washer Pump 2.9 GPM 2600 PSI Triplex Positive Displacement Plunger , Fits a Standard 3/4-inch Crankshaft Diameter , Mounts to a Standard SAE J609 Gas Engine Flange , Brass Block , Standard Buna-N Seals
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The CAT Pumps 4DX29GUIF is a compact Triplex Plunger Pump designed specifically for direct-drive gas engine applications. As a true Positive Displacement Pump, it delivers a consistent flow rate with high efficiency, ensuring reliable performance for portable cleaning systems. This model is built with a high-strength Brass manifold and 304 Stainless Steel valve assemblies, providing excellent durability and corrosion resistance.
Engineered for easy integration, the 4DX29GUIF features a 3/4" hollow shaft that mounts directly to standard 5.5HP–6.5HP gas engines. It comes fully assembled with an integral regulating unloader and a fixed chemical injector, making it a complete, "plug-and-play" solution for pressure washing units. With a verified flow rate of 2.9 GPM at 2,600 PSI, it offers the ideal balance of cleaning power and portability for residential and light commercial use.
| SPECIFICATION | DETAILS |
| Model Number | 4DX29GUIF |
| Manufacturer | CAT Pumps |
| Pump Type | Triplex Plunger Pump |
| Displacement Type | Positive Displacement |
| Material (Manifold) | Brass |
| Material (Valves) | 304 Stainless Steel |
| Max Flow Rate | 2.9 GPM (11.0 LPM) |
| Max Operating Pressure | 2600 PSI |
| Max Liquid Temp | 140°F (60°C) |
| Inlet Port Size | 3/4" GHF (Garden Hose Fitting) |
| Discharge Port Size | 3/8" NPT(M) |
| Shaft Diameter | 3/4" Hollow |
| RPM | 3450 |
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