196cc Honda GX Commercial Grade Engine •Designed for easy starts & high power output •Direct drive to pump provides streamlined power transmission
CAT Industrial Grade Triplex Plunger Pump •Runs cooler & lasts longer than axial pumps; can be rebuilt •2 year Factory Warranty protects your investment
Professional Grade Aluminum Frame •Delivers extreme durability & on-board accessory storage •10 year Factory Warranty on frame components
10" Pneumatic Tires •Effortlessly maneuvers around varied terrain
Pro-Style Spray Gun •Ergonomic grip lets you work longer with less fatigue •Safety lock-out prevents gun from being accidentally activated
Q: How can this be a 3200 PSI pressure washer if the cat pump that it comes with is only rated for 2850 PSI?
MODEL 4DNX25GSI Flow...............................................2.5 gpm (9.5 lpm) Maximum Discharge Pressure... 2850 psi (196 bar) Maximum RPM........................3450 rpm (3450 rpm) Stroke..............................................0.268” (6.8 mm) by Will from Wyoming on July 06, 2016
A: That is a very good question- and I've sent 2 emails to Simpson asking about this and haven't heard back from them yet.
Usually with questions like this one of the variables have been changed during the bench test of the unit- for instance, a higher RPM motor will increase the performance of the pump over what the pump manufacturer publishes.
You may want to contact Simpson directly at 877-362-4271 to see what their tech staff says about their rating.
Q: You said this unit has a cat 4ppx pump. Although this might be true, no such pump exists on the cat web-site. Why? Are you sure this isnt a 4DNX series pump? If so, please identify the whole model number of 4DNX. Thanks. by David from Iowa on July 05, 2016
Q: How to heck pump oil by Dean from Michigan on March 17, 2016
A: There will be a sight glass on the front of the pump. This will be a clear window where you will see the yellow-ish color oil sitting. There is a red dot in the center of this sight glass. The oil should be at that red dot, not over or under. Figure 12, page 17 of the attached Owner's Manual will show and describe this as well.
Q: The question I submitted yesterday was about the Simpson ALH3228-S power washer. I was wanting the capability to dial down the pressure for some work at my house. So, would I need another tip/wand to achieve that with this model and if so where would I find that? by Paul Crowe from Oregon on June 18, 2015
A: I would recommend pairing it with the Simpson Dial-N-Wash model 82235. This unit will allow you to adjust the pressure from the gun between 1000PSI and the full 3200 PSI I have attached a link for you to view that item.
Light Weight (11) High Quality (10) Price (6) Features (6) I'd Buy It Again (6)
Cons
Unreliable (5) None (4) Difficult To Use (3) Low Quality (2) Durability (2)
74% of respondents would recommend this product to a friend
50 Reviews
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Captain Ian V. Ft Lauderdale, FL
Purchased 8/10/15
2 Reviews
Most Helpful Positive Review
REVIEWED
SEP.
25
2015
Mv Copasetic's Pressure Washer Purchase
Ordered the unit and it took two weeks for delivery. Customer service through PED was good. The unit was delivered in good order but would not start. The CEO of PED told us to take to a Certified Honda service dealer in Ft Lauderdale for warranty. Simpson was contacted and made aware of the situation.
Honda baulked at repairing as they blamed us for using bad fuel. With continued phone calls Simpson paid for the repairs so we could get our machine back. This was about 10 days later.
The company Power Center in Ft. Lauderdale replaced the carburetor and gaskets. The unit has operated well since.
I appreciate the service we received from PED personnel to sort out this issue for us. They personally never had any responsibility for the product, as it was shipped out directly from Simpson to us. I would use PED for any other power equipment I may need to purchase in the future.
Great service.
Ordered the unit and it took two weeks for delivery. Customer service through PED was good. The unit was delivered in good order but would not start. The CEO of PED told us to take to a Certified Honda service dealer in Ft Lauderdale for warranty. Simpson was contacted and made aware of the situation.
Honda baulked at repairing as they blamed us for using bad fuel. With continued phone calls Simpson paid for the repairs so we could get our machine back. This was about 10 days later.
I am happy to say I received a call from Brian yesterday and the issue has been resolved. I would like to say I gave this the overall rating not due to the product itself but due to the length of time it took to get the issue resolved.
I have used someone else's pressure washer and thought it was a good product which is why I not only bought it myself but had recommended it to two other people. They are happy with their washers.
Even though I had so many problems I am choosing to get another one instead of a refund. But I wouldn't recommend it to some one else again.
Thank You, Brian.
I am happy to say I received a call from Brian yesterday and the issue has been resolved. I would like to say I gave this the overall rating not due to the product itself but due to the length of time it took to get the issue resolved.
I have used someone else's pressure washer and thought it was a good product which is why I not only bought it myself but had recommended it to two other people. They are happy with their washers.
Even though I had so many problems I am choosing to get... more
Kathy Does Not Recommend This Product
Product Expert
Kathy,
I'm glad we were able to intercede on your behalf with the folks at Simpson. We appreciate your business and your patience, and apologize for any inconvenience.
Great Powerwasher Buy; Inital Build Quality Lacking...
OK. So first of all this baby rocks!! Already power washed the walkway and it looks great. But I have a few concerns.
1. The heat shield on the muffler was dented. Called Simpson and they were great...except that isn't a piece they replace. Comes off with 4 small screws but it's part of the engine and they don't have it. Oh well, cosmetic and it will probably get dinged anyway...rock on....
2. I follow directions to the letter and with this it was no different. Simpson provides great quick startup directions with 12 steps. Step 1...connect garden hose to #1 ( marked with a sticker) and then Step 2....connect high pressure hose to pump (also marked with a sticker)....except that the stickers are reversed on the pump!! No big deal...I race cars, loaded bombs in the Air Force for a few years, and I also make some great chocolate chip cookies so I'll just remember that 1=2 and 2=1 and flip:flop...uh you get he point.
3. I'm cruising along power washing away and amazed about how well it's going...and what do I see? Clean sidewalk...yes...but I also see a shiny new nut laying on the ground....hmmm...so I look under the washer and there is the matching bolt hanging there off the end of an aluminum angle iron bracket that the motor connects to. Hmmm...ok, well ok just tighten that baby up....but then I figure I should check other bolts/nuts and many of them are loose...ugh...
4. So when I have it tilted forward I also notice the little rubber feet are loose...oh man...and then I notice they are attached with 2 different screws!! One a Phillips ( reed and prince maybe) and one a star topped screw. Maybe it's an engineering thing I don't get...maybe some weird sympathetic vibration issue if you don't use different screws that will cause a bearing to go....:)
Again it power washes great but the little details were missed. So I'll add a little sticker that reminds me to check my nuts every few hours of operation and I should be good. :). But I really shouldn't have to do that.
OK. So first of all this baby rocks!! Already power washed the walkway and it looks great. But I have a few concerns.
1. The heat shield on the muffler was dented. Called Simpson and they were great...except that isn't a piece they replace. Comes off with 4 small screws but it's part of the engine and they don't have it. Oh well, cosmetic and it will probably get dinged anyway...rock on....
2. I follow directions to the letter and with this it was no different. Simpson provides... more
Pros:Light Weight, Features
Cons:Bad Instructions, Poor Assembly
Terry Recommends This Simpson Product
Product Expert
Terry,
Thank you for letting us know about the assembly issues- we'll send your comments over to the folks at Simpson for their consideration. It sounds like you have the situation well in hand...
We appreciate your business, and apologize for any inconvenience.
I purchased this unit for the CAT pump and Honda engine. I easily could of bought a more powerful unit for the same price, however I'd like this to be the only power washer I ever own.
That being said, this unit did not blow me away with its power nor it's features. You have to squeeze the handle while pull starting the engine, really there is no technology that can make starting this easier. I look like a monkey/football trying to start it. The whole unit jumps off ground unless you put your foot on it.
Anyway I digress, it's a good unit. If your looking for a commercial grade with medium power, you found it. I have washed the house and unstained the deck with it. It worked as expected. I will say that it is compact and stores nicely. Good unit overall.
Pressure Washers Direct was great to deal with. I would not hesitate to buy from them again.
I purchased this unit for the CAT pump and Honda engine. I easily could of bought a more powerful unit for the same price, however I'd like this to be the only power washer I ever own.
That being said, this unit did not blow me away with its power nor it's features. You have to squeeze the handle while pull starting the engine, really there is no technology that can make starting this easier. I look like a monkey/football trying to start it. The whole unit jumps off ground unless you put... more
Pros:High Quality, Durable, Reliable, Easy To Store
Cons:Difficult To Use, Pricey
Travis Recommends This Simpson Product
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20
Peter W. New Milford, CT
Purchased 5/29/17
REVIEWED
JUN.
25
2017
Would Not Purchase Again
I based my purchase on other reviews and from what I read about CAT pumps. Used twice with less than an hour in overall time before the pump overheated and failed. Overheated to the point where the oil fill cap melted.
Called Pressure Washers Direct and was told I couldn't do anything but bring it to get repaired because there was gas in it now. Took it to be fixed under warranty and they replaced a heat relief valve, but never replaced the melted oil cap.
Haven't had a chance to retest the unit, but it better be lasting longer than an hour this time. I would. It recommend this unit other than the Honda motor that is on it.
I based my purchase on other reviews and from what I read about CAT pumps. Used twice with less than an hour in overall time before the pump overheated and failed. Overheated to the point where the oil fill cap melted.
Called Pressure Washers Direct and was told I couldn't do anything but bring it to get repaired because there was gas in it now. Took it to be fixed under warranty and they replaced a heat relief valve, but never replaced the melted oil cap.
I'm so sorry your pressure washer had issues- I realize it's inconvenient to have to take the unit to warranty service, but it's Federal Regulations that won't allow a fueled unit to be re-shipped because it's a fire/explosion hazard.\
I'll be happy to ask the Simpson folks to send you a replacement oil fill cap.
We appreciate your business, and apologize for the inconvenience.
Hello my name is Zac and I am the Assistant Service Manager for the FNA Group who manufactures the Simpson line of gas pressure washers.
First and foremost thank you for your purchase of our Simpson Gas Pressure Washer; if you need further assistance please contact me directly at 1-847-621-8954 or via email at zdawson@fna-group.com. I would be more than happy to help resolve any issues or questions you may have.
This pressure washer does a great job. I like the light / aluminum frame. The only negative I can think of is that it can be difficult to start.
Pros:Light Weight, High Quality, Features, Fast
Cons:Difficult To Use
Jeff Recommends This Simpson Product
Product Expert
Jeff,
On page 9 of your Owner's Manual, step 7 says "Release all air from pump and high pressure hose by depressing trigger until a steady stream of water is present. Approximately 30 seconds."
This pushes all the air out of your pump, preventing vapor lock and making the unit easier to start since the motor and pump are directly connected. You should do this every time before starting the motor- I think you will find it makes it much easier.
Used product only three times. Was hard to start and the pump blew up the third time it was used.
Cons:Unreliable, Difficult To Use, Low Quality
Cindy Does Not Recommend This Product
Product Expert
Cindy,
I am so sorry the pump failed on your pressure washer- that is unusual for a CAT pump. Fortunately the pump is covered by a 2 year Factory Warranty for defects in materials and workmanship, and I can see from your file that we've already put you in touch with the folks at CAT (763-780-5440 Monday thru Friday, 8am - 5pm Central Time).
We appreciate your business and apologize for any inconvenience.
Hello my name is Zac and I am the Assistant Service Manager for the FNA Group who manufactures the Simpson line of gas pressure washers.
First and foremost thank you for your purchase of our Simpson Gas Pressure Washer; if you need further assistance please contact me directly at 1-847-621-8954 or via email at zdawson@fna-group.com. I would be more than happy to help resolve any issues or questions you may have.
I picked this product because of the CAT pump and Honda Engine. I have used it several times without an issue. The only problem I have is on the frame itself. One of the rubber stops used to balance the pressure washer came off after the second use. Now, it seems the threaded hole is stripped.
I also purchased the high pressure nozzle and that thing works like a charm!!
I would recommend this product again. How can you go wrong with a CAT pump and Honda Engine!!
Pros:Light Weight, I'd Buy It Again, Easy To Use, Durable
Cons:Design of Rubber Stop on Frame
Derek Recommends This Simpson Product
Product Expert
Derek,
You may want to give the folks at Simpson a call at 877-362-4271 so they can help you resolve the issue with the rubber vibration foot.
Please have the serial number of your unit handy if you call Simpson- they may ask for it. If you need a copy of your invoice, just click on "Sign In" in the upper right corner of our website and follow the prompts to print one out.
We appreciate your business and apologize for any inconvenience.
I used someone else's machine to do my front porch and believe it is time for them to rebuild their pump. It was not awful but my brand new decking came from the factory with LOADS of something similar to Thompson's Water Sealer on it which means stain wont stick.
I was stripping all of the sealer and between the weak machine and how much sealer was there it wasn't working. I ended up buying this unit and it was great. No complaints on the machine. Instructions were OK, could have been better as far as the instructions go but nothing major.
I believe this to be a very well built machine and I made my purchase here because of all the online reviews. The complaints were moderate and the customer support was very good at those complaints. I don't remember reading one that wasn't solved pretty quickly.
I have owned one before and used many. The one pointer I can give people is they have similar machines at chain stores but the one part that matters most is the pump- and the chain store pumps are much lower grade and that is why the price is lower. Those pumps also do not have much of a warranty. Those machines are fine. It is just what you are using the machine for and what you can live with for a warranty vs price.
I used someone else's machine to do my front porch and believe it is time for them to rebuild their pump. It was not awful but my brand new decking came from the factory with LOADS of something similar to Thompson's Water Sealer on it which means stain wont stick.
I was stripping all of the sealer and between the weak machine and how much sealer was there it wasn't working. I ended up buying this unit and it was great. No complaints on the machine. Instructions were OK, could have been... more
Pros:High Quality, Light Weight, Features, Easy To Use
Cons:Bad Instructions
Seth Recommends This Simpson Product
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00
James S. Clarkston, MI
Purchased 5/31/17
REVIEWED
JUN.
29
2017
Really Good So Far...
I'm really liking the quality of this unit so far. I like that it's light for Easy Storage but you do have to hold it down with one hand when pulling the cord to start otherwise it jumps around.
Arrived undamaged and fired right up! This 2.8 gallon per minute flow works many times faster than previous units I've used that were lower capacity.
Pros:Light Weight, High Quality, Fast, Easy To Store
 Aluminum Frame Pressure Washer w/ Honda Engine & CAT Pump&p[url]=https://www.powerequipmentdirect.com/Simpson-ALH3228-S/p16096.html&p[summary]=Buy the Simpson ALH3228-S. In-stock at Power Equipment Direct. Also, read the latest reviews for the Simpson Professional 3200 PSI (Gas - Cold Water) Aluminum Frame Pressure Washer w/ Honda Engine & CAT Pump&p[images][0]=https://www.powerequipmentdirect.com/products-image/280/ALH3228_16506_600.jpg)
 Aluminum Frame Pressure Washer w/ Honda Engine & CAT Pump "Pin It!")
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