4DNX25GSI Triplex Plunger Pump

The 4DNX25GSI model is a high quality, intermittent-duty pressure washer pump. It is a flange-mount pump with a 3/4" shaft. The triplex plunger pump design provides a smooth liquid flow. Its ultra-compact, hollow shaft design is ideal for direct mounting to a gas engine.

This direct drive pressure washer pump has specially formulated high pressure seals and concentric solid ceramic plungers for extended seal life. It features a stacked valve design for easy servicing. Other features include a fixed chemical injector for cleaning flexibility and a swivel garden hose fitting for easy inlet connection. An integral pressure unloader with built-in by-pass comes standard to ensure system pressure control and pump protection.

4DNX25GSI Pump Dimensions: 8.03" x 7.73" x 6.51"

4DNX25GSI Pump Specifications:
 

• Maximum flow: 2.5 GPM
• Maximum discharge pressure: 3000 PSI
• Maximum RPM: 3450 RPM
• Stroke: 0.268"
• Inlet pressure range: flooded to 60 PSI
• Bore: 0.551"
• Crankcase capacity: 8.5 oz.
• Maximum liquid temperature: 140 degrees F
• Inlet port: 3/4" GHF
• Accessory inlet port: 1/4" NPTF
• Discharge port with chemical injector: 3/8" NPTM
• Chemical injection hose barb: 1/4"
• Shaft diameter (hollow): 3/4"
• Three plunger rods (triplex design)
• Works as a replacement to CAT Pumps model # 2SFX25GZ
• Please note that this pump does NOT come with oil - find authentic CAT Pumps Oil here.

Related Parts for the 4DNX25GSI pump:

• 6107 crankcase oil
• 33962 pop-off valve
• 6089 pressure gauge
• 7141 thermal valve
• 7204.4 inlet filter
• 36140 gun
• 7126 quick start valve