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CAT Pumps 3300 PSI 2.5 GPM Replacement Triplex Plunger Pressure Washer Pump w/ Adjustable Unloader

CAT Pumps 3300 PSI 2.5 GPM Replacement Triplex Plunger Pressure Washer Pump w/ Adjustable Unloader
Model: 4PPX25GSI
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Discontinued
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Shipping Info
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  • Product Description
  • 1
    Reviews
  • 2
    Product Q&A
  • Recommended Accessories
  • How-To Articles
  • Manuals
Product Description
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Grade
Style
Inflow
3/8
3/8" Threaded (Female)
Outflow
3/8
3/8" Threaded (Male)
Grade
Professional
Style
Gas
Inflow
3/8" Threaded (Female)
Outflow
3/8" Threaded (Male)
Features
Features
  • CAT Brand Triplex Plunger Replacement Pump
  • Durable & long lasting; advanced design for smooth liquid flow
  • 3/8" NPT female inlet, 3/8" NPT male outlet; 140°F maximum water temperature
  • Concentric Solid Ceramic Plungers
  • Ceramic runs cooler, lasts longer; assures true wear surface
  • Specially formulated seals deliver extended seal life
  • Stacked Valve Design
  • Makes servicing easy
  • 0.268
  • Ultra-Compact 3/4" Hollow-Shafted Pump
  • Designed for direct mounting to gas engine
  • Integral Pressure Unloader
  • Standard built-in bypass controls pressure & protects the pump
  • 1/4" Fixed Chemical Injector Hose Barb
  • Allows addition of pressure washer safe soap to the water flow
  • Be Sure To Measure Shaft & Flange Bolt Holes Accurately!
  • There is a 25% restock fee on returned pumps
  • See the Owner's Manual for dimensions
  • This is a bare pump; you will need to re-use your current fittings or purchase new ones (sold separately)
Specifications
Accessories
Pump Brand
CAT
Pump Type
Triplex Plunger
Pump Design
Horizontal
Shaft Size
3/4
Adjustable Pressure
Yes
Accessory Grade
Professional
Accessory Style
Gas
Inflow
3/8" Threaded (Female)
Outflow
3/8" Threaded (Male)
Maximum GPM Gallon per Minute
2.5
Rated PSI
3300 PSI
Chemical Injections
Sold Separately
Overview
Weight
10.7 Pounds
Product Length
8.03 Inches
Product Width
7.83 Inches
Product Height
6.61 Inches
Consumer Warranty
2 Years
Grade
Style
Inflow
3/8
3/8" Threaded (Female)
Outflow
3/8
3/8" Threaded (Male)
Grade
Professional
Style
Gas
Inflow
3/8" Threaded (Female)
Outflow
3/8" Threaded (Male)
Features
Features
  • CAT Brand Triplex Plunger Replacement Pump
  • Durable & long lasting; advanced design for smooth liquid flow
  • 3/8" NPT female inlet, 3/8" NPT male outlet; 140°F maximum water temperature
  • Concentric Solid Ceramic Plungers
  • Ceramic runs cooler, lasts longer; assures true wear surface
  • Specially formulated seals deliver extended seal life
  • Stacked Valve Design
  • Makes servicing easy
  • 0.268
  • Ultra-Compact 3/4" Hollow-Shafted Pump
  • Designed for direct mounting to gas engine
  • Integral Pressure Unloader
  • Standard built-in bypass controls pressure & protects the pump
  • 1/4" Fixed Chemical Injector Hose Barb
  • Allows addition of pressure washer safe soap to the water flow
  • Be Sure To Measure Shaft & Flange Bolt Holes Accurately!
  • There is a 25% restock fee on returned pumps
  • See the Owner's Manual for dimensions
  • This is a bare pump; you will need to re-use your current fittings or purchase new ones (sold separately)
Specifications
Accessories
Pump Brand
CAT
Pump Type
Triplex Plunger
Pump Design
Horizontal
Shaft Size
3/4
Adjustable Pressure
Yes
Accessory Grade
Professional
Accessory Style
Gas
Inflow
3/8" Threaded (Female)
Outflow
3/8" Threaded (Male)
Maximum GPM Gallon per Minute
2.5
Rated PSI
3300 PSI
Chemical Injections
Sold Separately
Overview
Weight
10.7 Pounds
Product Length
8.03 Inches
Product Width
7.83 Inches
Product Height
6.61 Inches
Consumer Warranty
2 Years
Product Specs
+−
Specifications
Accessories
Pump Brand
CAT
Pump Type
Triplex Plunger
Pump Design
Horizontal
Shaft Size
3/4
Adjustable Pressure
Yes
Accessory Grade
Professional
Accessory Style
Gas
Inflow
3/8" Threaded (Female)
Outflow
3/8" Threaded (Male)
Maximum GPM Gallon per Minute
2.5
Rated PSI
3300 PSI
Chemical Injections
Sold Separately
Overview
Weight
10.7 Pounds
Product Length
8.03 Inches
Product Width
7.83 Inches
Product Height
6.61 Inches
Consumer Warranty
2 Years
Reviews
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5
(1)
+−
Cat Pumps 4PPX25GSI Reviews & Ratings
Product Q&A
(2)
+−
Search Product Q&A's Answered by Matt, the Pressure Washer Expert
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I have a 6hp, 3450rpm, 3/4 shaft motor. will this motor work with this pump rated at 3400rpm. Or can you recommend a single phase motor for this pump. Thanks.
Wayne 
from Virginia 
January 06, 2016
Answer
Thanks for your inquiry. Yes, this pump will work on your engine. However, this is a bare pump without the inlet and outlet fittings. It also does not include the thermal relief valve. I would recommend purchasing the fully plumed pump model SLP4PPX30GSI-057. I have attached a link for you to view the same pump just fully plumed and ready to go.

Fully Plumed Pump
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can the 4PPX25GSI pump fit the northstar gsx 160 pressure washer
Nelson 
from California 
August 06, 2015
Answer
No, a Honda GX 160 does not have enough power to drive this pump. With your unit, I would recommend the General Pump model SLPTP2530-401. I have attached a link for you to view that item.

General Pump
Recommended Accessories
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Expert Recommended Accessories Hand Picked By Our Expert Matt
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Required Accessories Add All Required
Optional Accessories
How-To Articles
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Manuals
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