Cat Pumps 4PPX30GSI - CAT Pumps 3000 PSI 2.7 GPM Replacement Triplex Plunger Pressure Washer Pump w/ Adjustable Unloader for sale.
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CAT Pumps 3000 PSI 2.7 GPM Replacement Triplex Plunger Pressure Washer Pump w/ Adjustable Unloader
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 Factory Direct
Ships in 2-5 Business Days
Factory items ship direct from the manufacturer. Shipping times vary.
| Store | Shipping | Price | Shop | |  | | $249.99
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(Except IL) | Buy | |  | | $249.99
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- Features
- Specs
3 Q&A - Demo
20 Reviews- Articles
- Shipping
- Accessories
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3/8" Threaded (Female) |
3/8" Threaded (Male) |
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
•This is a bare pump; you will need to re-use your current fittings or purchase new ones (sold separately)
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
•0.280” stroke; 0.551” bore; requires 8.5 oz. pump oil
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 (under the Specs tab) for dimensions
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Accessories Inflow 3/8" Threaded (Female) Outflow 3/8" Threaded (Male) Overview Product Length 8.03 Inches Product Width 7.83 Inches Product Height 6.61 Inches Consumer Warranty 2 Years
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3 Questions |
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Q: Mike
I have a Troy Built 6.75 HP (model 01904). Would this pump be a good replacement for it? Do you have any other recommendations? We use it just around the house and barn so it's not used a lot but at times can run for several hours on a job.
Thanks
by Charles Randall from Michigan on June 11, 2015
A: Please confirm you have a 3/4" hollow engine shaft. This would be a great pump, however I do recommend the fully plumbed version so it comes with the inlet and outlet fittings, unloader, thermal relief valve, and siphon hose. This way you just need to take off the old pump, slap this one on and you are ready to go!
Fully Plumbed Pump
by Brian, Product Expert
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Q: 3/4 in shaft by what length?.Is the mounting bolt pattern regular 2.5 in square,these are the mosssst important things you should advertise!!!,NOT the rest of the garbage
by Nathan Raghu from Louisiana on June 02, 2015
A: There are multiple locations this pump can bolt on. What brand engine do you have? This will bolt up to any 3/4" horizontal engine shaft, that was produced in the last 10 years.
by Brian, Product Expert
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Q: can I put a 3000 psi pump on 4hp motor
by Paul Lemoine from Louisiana on March 02, 2015
A: No, you will need to attach this to a 6.5 HP engine or larger. We do not have a triplex plunger pump compatible with a 4 HP engine.
by Brian, Product Expert
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Cat Pumps 4PPX30GSI Reviews & Ratings
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Features 4/5 Quality 4/5 Performance 4/5 Value 4/5
I'd Buy It Again (3)
Price (1)
Easy To Use (1)
Exceeded Expectations (1)
Durable (1)
Incomplete Machining On ...  (1)
Incomplete Machining On Adaptor Plate Bad Instructions (1) Difficult To Use (1) Expensive (1) Packaging (1)
78% of respondents would recommend this product to a friend
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| Al F.
Hutchinson, MN |
 Most Helpful Positive ReviewRetrofit Pump
Got good information on line and via email. Installed easily, needed a few additional parts but setup easily and works well.
Good value.
 Al Recommends This Cat Pumps ProductWas this review helpful? 00 |
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| William W.
Bronson, FL |
Most Helpful Critical Review  Not Satisfied
At this moment completely unsatisfied . Pump seems to be defective and in phone conversation with Pressure Washers Direct they are not accepting responsibility or standing behind the sale.
Cons: Packaging, Expensive  William Does Not Recommend This Product Product Expert William, I'm sorry you aren't happy with your purchase. This pump ships directly from the folks at CAT, and CAT supplies the warranty. That's why, when you told us you were missing parts from the pump, we asked you to contact CAT directly so they could ship you anything that was missing from their box. We don't have the bits-and-pieces here.
Our records show that when you gave us a call after your purchase we also explained that this is a bare pump, meaning you would need to reuse your own fittings or purchase new fittings (sold separately). Usually CAT does a great job helping our customers, but if the folks at CAT aren't treating you properly then please let us know; we are happy to work with our CAT sales rep to straighten things out.
For those reading this review, fully-plumbed pumps can be found here. They can make the installation process easier. Was this review helpful? 01 |
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| Scott N.
Elk Grove, CA |
 Good Choice For A Replacement It installed with ease. This pump got mounted on the Harbor Freight Honda Clone (6.5hp). Fit perfect.
Scott Recommends This Cat Pumps Product Was this review helpful? 00 |
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| Mark Rought
Chino Hills, CA |
Very Happy
I replaced my outdated 3DX29GSI with the 4PPX30GSI.. received it on time.. bolted in on/ adjusted the Unloader and it worked better than new. very happy with the pump and with Pressure Washers Direct...thank you Brian...
Pros: Durable, Exceeded Expectations, High Quality, I'd Buy It Again Mark Recommends This Cat Pumps Product Was this review helpful? 01 |
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| Daniel D.
Hialeah, FL |
Not Happy At All
My pressure washer is on its 3rd pump. Two pumps replaced prior were factory set and direct bolt-on with no issue. This one was not factory set and will now require me to buy additional tools to adjust this pump correctly before I blow my hoses.
No money saved here... and this product is not sold buy this company, it sold buy another. They do not help with warranty issue they refer you to call another company with issues. Never again, I'll pay the extra money and buy from a chain store.
Cons: Difficult To Use, Bad Instructions Daniel Does Not Recommend This Product Product Expert Daniel, I am sorry you were referred to the wrong company! You should have been directed to CAT Pumps (763-780-5440, www.catpumps.com) since they handle their warranty and their tech support is spot-on.
We are an authorized seller of CAT Pumps, but we don't make them. Everything we sell has a Factory Warranty from the folks that manufacture the product that covers you, our customer.
We also sell a Fully Plumbed 4PPX30GSI that sounds like it would have been what you were expecting.
The adjustable unloader on this pump can be adjusted with a pair of vise-grips or channel-lock pliers; special tools aren't required. Was this review helpful? 01 |
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| Steve M.
Decatur, AL |
Exact Fit, Works Great
My pressure washer is a Dewalt with Honda Motor and CAT pump I bought new in 2005. I used it commercially.
I went to look to replace the pressure washer when the pump went out, but it was gonna cost me 1000. To get one like I had. So I ran across Pressure Washers Direct and saw I could replace my pump for 260. Then I got a new hose, sanded prime painted by frame, serviced my motor, put all together and it's better than new.
I love the new CAT pump. I hope I can get 10 years out of this one. My pressure washer is a Dewalt with Honda Motor and CAT pump I bought new in 2005. I used it commercially.
I went to look to replace the pressure washer when the pump went out, but it was gonna cost me 1000. To get one like I had. So I ran across Pressure Washers Direct and saw I could replace my pump for 260. Then I got a new hose, sanded prime painted by frame, serviced my motor, put all together and it's better than new.
I love the new CAT pump. I hope I can get 10 years out of... moreSteve Recommends This Cat Pumps Product Product Expert Steve, CAT pumps do last a long time if serviced regularly- and many can be rebuilt! moreWas this review helpful? 01 |
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| Jaime V.
Houston, TX |
Cat Cheaper Version
Does not come with thermal relief valve. You have to adjust the pressure. Not ready to go!
Jaime Does Not Recommend This Product Product Expert Jaime, A bare pump is just that- just the pump.
If you'd like a replacement pump with connectors and tubing, then you may want to look at the Slap Happy Replacement Pumps that come with all the bells and whistles. Was this review helpful? 74 |
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| Tommy A.
Hattiesburg, MS  2 Reviews  47 Helpful Votes |
Best Compact Pressure Washer Money Can Buy
I needed a pressure washer and I looked everywhere to find a special one to to fill my needs.
This is the ultimate machine for cleaning decks & concrete. The thing about it, it's quiet and has an adjustable nozzle on the tip of the wand so you don't have to stop it to install a tip every time.
You can choose 800 PSI for light stuff or switch to 25 degree or 45 degree for more pressure; & the Cat pumps are very durable. And, it's pretty good on fuel consumption.
Was this review helpful? 63 |
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| Doug |
Good Pump
Ordered the Cat Pump as a replacement and upgrade to the original pump on a TroyBilt washer. Pump arrived in short order. Then I find I need to order a thermal relief valve from a different vendor. It arrived in short order.
Then I find I need a pressure gauge to calibrate the pressure relief valve from yet another vendor. It sure would have been quicker and easier if everything had been included with the pump, or, at least, available to order with the pump. After all is said and done, the pressure washer works like never before. Ordered the Cat Pump as a replacement and upgrade to the original pump on a TroyBilt washer. Pump arrived in short order. Then I find I need to order a thermal relief valve from a different vendor. It arrived in short order.
Then I find I need a pressure gauge to calibrate the pressure relief valve from yet another vendor. It sure would have been quicker and easier if everything had been included with the pump, or, at least, available to order with the pump. After all is said and done, the... moreProduct Expert Doug, Bare pumps are sold, well- bare; assuming that elements from the old pump will be re-used. The Slap Happy pump kits that we sell include the siphon tube, hose connectors and pressure valve.
You would still need to purchase the pressure gauge separately; but we sell those, too. moreWas this review helpful? 74 |
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| Scott H.
Lake Charles, LA |
Cat Triplex Pump, 4ppx30gsi
I ordered this pump because my old original pump did not build pressure any more and after some research the new pump purchase was about as cost effective as rebuilding the pump with out taking the time to rebuild it. The only problem I had with installing the new pump was that the adaptor plate did not have threads cut into the holes. I had to tap threads myself into this plate which was really no problem.
Works great, and a lot cheaper than buying a whole new unit.
Pros: Easy To Use, Price, I'd Buy It Again Cons: Incomplete Machining On Adaptor Plate Scott Recommends This Cat Pumps Product Was this review helpful? 53 |
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| Bruce B.
Newtown, CT |
Cat Pump Replacement
Removed old Cat. pump 3PPG series, and replaced it with a new 4PPG series, 2800 to 3000 psi.
Now engine is unable to start due to static load from new pump. Now appears the engine needs to be upgraded to a larger horsepower.
The engine is a Model Gx200 Honda, isolated from anything, performs properly and starts immediately. Now we have to go back to the drawing board.
Bruce Recommends This Cat Pumps Product Was this review helpful? 10 |
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We currently CANNOT ship this product to Alaska, Hawaii or any destination outside of the United States |
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Product Manual
Good Choice For A Replacement
