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Customer reviews for PowerShot 4200 PSI at 4.0 GPM HONDA® GX390 with Industrial Triplex Pump Cold Water Professional Gas Pressure Washer for
PowerShot 4200 PSI at 4.0 GPM HONDA® GX390 with Industrial Triplex Pump Cold Water Professional Gas Pressure Washer
4.7 out of 5 stars
stars
645 ratings645 reviews
  1. 5 stars84% (541)
  2. 4 stars12% (77)
  3. 3 stars1% (8)
  4. 2 stars1% (4)
  5. 1 star2% (15)
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Showing 221-230 of 645 reviews
Jun 29, 2019
Reviewer name: Christofast
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Awesome Machine!

More power than I need, had a hard time holding wand from recoil... take the crome off a trailer hitch!!! had to turn down the volume on this one pressure is off the hook! Great machine, no issues yet. Works like a champ! Very pleased and would recommend this unit to all...

Review from simpsoncleaning.com
Helpful?7AT7XV54Y2LL15224104831
Jul 11, 2020
Reviewer name: Scott64
4 out of 5 stars
4 out of 5 stars review

Verified Purchase

Great washer, not so great carburetor

Fantastic pressure washer, only problem is that the needle/seat doesn't seal so it drains the tank into the cylinder and I had to remove the plug and pull the rope to get all the gas out then from that point on I have to close the fuel shut-off valve every time I stop the engine.

Review from simpsoncleaning.com
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May 12, 2020
Reviewer name: Greg 2020
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Very powerful

I choose the 4240H because of the Honda GX390 motor and this unit can handle a 20 inch BE surface cleaner. My spouse wanted to use it to clean our brick house. Well, it's a bit to powerful for her 110 lb frame. The "kickback" when she pulls the trigger almost knocks her over, but she has learned to handle it. I recommend you buy from a local store because mine had a few dents from the UPS guys. You may have to pay an extra$20.

Review from simpsoncleaning.com
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Aug 1, 2019
Reviewer name: sjorge
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great pressure washer for the money

I bought this washer because it is similar to a unit I have with a Honda GX390 engine. The PS60843 has the same features and is more powerful. I saw negative reviews because of starting issues. Mine popped off first pull and first pull in subsequent uses. My older unit with the Honda engine requires me to pull wand trigger to relieve pressure prior to pulling the cord. I tried pulling cord with no pressure relief on the PS60843 and it popped right off. Don't know why some reviews said it was hard to start. It's a big engine you need some muscle. All in all very happy with unit and price.

Review from simpsoncleaning.com
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Dec 17, 2014
Reviewer name: ses1058
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great value!

This is an extremely powerful machine made with quality parts. Well designed and sturdy. The only complaint I have is the holder for the hose and wand, although somewhat standard, seems ineffective as each can come off the machine while moving. A simple retaining mechanism for both the wand and hose holder would be welcome. Appreciate the Made in USA!

Review from simpsoncleaning.com
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Jul 7, 2018
Reviewer name: Rooster
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

This is a beast of a pressure washer

The thing I like the most is the adjustable pressure pump. When you are doing different jobs this is great. Cleaning Driveway to washing vehicles they need different pressures. This pressure washer is a beast and will remove paint so be careful. I been using the machine for two weeks so far and love it. Honda motor is great too, after putting machine together it started on first pull. Well pleased with it. It's worth the extra money to get extra fetchers.

Review from simpsoncleaning.com
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Dec 16, 2025
Reviewer name: gd555
5 out of 5 stars
5 out of 5 stars review

Excellent Performance

I went with Simpson on the recommendation of a friend since he already had a Simpson. I really am glad that I took his advice. I already had a smaller power washer from another manufacturer but was having an issue with it and decided to purchase a new unit. I also wanted to purchase one that was a little more powerful. I couldn't be more pleased with my selection. The Simpson completed the patio cleaning job in half the time that it took me with my previous washer. Thanks Simpson.

Review from simpsoncleaning.com
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Sep 10, 2017
Reviewer name: Eric
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Professional equipment, with professional results.

I purchased this machine a month ago, and have been using it almost every day with no problems. This machine has real power perfect for commercial application. My only complaint would be it is hard to start at times. Would recommend electric start for this beast. Other wise "GREAT PRESSURE WASHER. You guys are the best....

Review from simpsoncleaning.com
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Nov 11, 2019
Reviewer name: AM00
4 out of 5 stars
4 out of 5 stars review

Verified Purchase

Very good pressure washer

I had no previous expereince with pressure washers. The purchase of the PS60843 was my first experience. The packaging was good, the labeling and literature was good. I felt the literature could have discussed/identified the pressure offloader and the thermal offloader some more. After about 2 hours of using the unit, water started leaking out from the pressure offloader valve (I think it is). This is the brass spring loaded valve pointing downwards on the water output. I thought this is how the valve should operate, but the leak was costant, even when the engine was shut off. The leak caused the engine to pulse when the trigger was not depressed. I then checked the valve and it needed tightening. This should have been tightened at the factory and should not have come loose after 2 hours of use. However, this was a minor inconvenience. The engine starts well, if you turn down the pressure regulator to the lowest, and trigger the wand to release pressure. If the engine did not start after two firm pulls, depress the wand trigger again to release the pressure. I would like to have seen a simple fuel level indicator. Currently you have to remove fuel filter from the fuel tank and look inside. This should be fairly easy, but the filter has no real way to be held on too and lifted out without getting jammed against the surfaces of the tank surrounding it. Removing the filter is actually a very delicate and somewhat timely exercise. I made a wire hook to lift the filter out. It is simple and works, but another factory supplied method would have been nice.Perhaps a transparent fuel hose from the tank would be a good indicator. The lowest pressure I was able to get is 2000 PSI. I ran the unit at 3500PSI, but I could have gotten 4,000 or more. I did not want to max out the unit as it is new....break it in slowly. I am yet to play with adjusting the engine trottle using the supplied lever, and see if the pressure would decrease. I have not used the unit since, but will in a few days time. I cannot comment on reliability as yet, but sure hope this unit is reliable....very reliable. Overall, as of now, I believe this is an excellent unit. I am so far pleased with it. Would I purchase it again, yes.

Review from simpsoncleaning.com
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reply from Customer Service

Hello Customer, On behalf of SIMPSON, we truly appreciate the thorough feedback that you've provided in regards to our product services. Please know that we are in the process of continuing to improve our product each and every year. - SIMPSON Team.

Oct 31, 2018
Reviewer name: Ignacio
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great machine

Used twice since purchased a month ago. I was disappointed it did not take out rust stains in the concrete using the 40 degree nozzle. Didn’t try the 25 degree since it might remove concrete. Has a kick when using. Started with one pull. Followed instructions to the letter. Hold trigger while attempting to start. Depending on project I used one gallon gasoline at a time with gas protector as instructed. The machine ran out of fuel and no worries of gasoline issues having it sit unused for over 30 days.

Review from simpsoncleaning.com
Helpful?7AT7XV54Y2LL15224104831