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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
580 ratings580 reviews
  1. 5 stars83% (479)
  2. 4 stars13% (75)
  3. 3 stars1% (7)
  4. 2 stars1% (3)
  5. 1 star3% (16)

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Showing 71-80 of 580 reviews
Dec 31, 2025
Anonymous
4 out of 5 stars review

Verified Purchase

Need to improve the way to make stronger handle

When you put together the handles they kind of loose ,

Review from simpsoncleaning.com
Helpful?7AT7XV54Y2LL15224104831
Mar 21, 2026
Ben26
5 out of 5 stars review

Verified Purchase

Great Purchase

love this machine. It does exactly what I have been wanting!!

Review from simpsoncleaning.com
Helpful?7AT7XV54Y2LL15224104831
Oct 30, 2025
Corky130
5 out of 5 stars review

Verified Purchase

Works great.

[This review was collected as part of a promotion.] Runs great and works great with 18" surface cleaner. House looks fantastic. Thanks

Review from simpsoncleaning.com
Helpful?7AT7XV54Y2LL15224104831
reply from Simpson Team

It's great to hear your 4200 PSI pressure washer performed flawlessly & paired right up with that surface cleaner for a five-star cleaning experience. You can show off your results any time by tagging #simpsonclean on social media & we'd love to see what you achieved on your house. Thanks for taking the time to review, Corky130!

Nov 11, 2019
AM00
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
Helpful?7AT7XV54Y2LL15224104831
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.

May 9, 2016
NorthGAMike
5 out of 5 stars review

Verified Purchase

Awesome

I bought this to drive a General Pump Hammerhead 20" surface cleaner. That think was floatin' like a hovercraft. If you need the pressure and can afford it, get the Honda. I never cranked it that it didn't start on the first pull INCLUDING the very first start.

Review from simpsoncleaning.com
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Jul 19, 2019
Johnnie Walker
5 out of 5 stars review

Verified Purchase

Plenty of cleaning power

I bought this pressure washer a few weeks ago. I was hesitant about buying it with Simpson engine rather than Honda but the Simpson engine starts easily and runs fantastic With 4400 PSI, you can clean anything in no time especially with the 4500 PSI Simpson turbo nozzle. This is a Great pressure washer. Took about 5 minutes to assemble and put in supplied oil.

Review from simpsoncleaning.com
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Oct 15, 2018
slimtim
5 out of 5 stars review

Verified Purchase

GREAT PRESSURE WASHER

I bought this i think in August of this year and I am super pleased with it The pressure washer has more than enough power to clean anything you want in half the time you used too with lower psi washers The only draw back for me is that I am a 73 year old man and it is a little hard for me to pull start wish I would have bought electric start This is by far the best pressure washer I have ever owned I have had three others Would buy again in a heartbeat

Review from simpsoncleaning.com
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Jul 29, 2019
more power
5 out of 5 stars review

Verified Purchase

Not for the average user

I bought this unit for two reasons, Honda engine and power. I can not stress that in the hands of an inexperienced user the probability of damaging something is high. At 4200 psi with 4.0 gpm this unit has some serious kick, you will get a work out after an hour of use. Proper care and periodic maintenance and this pressure washer will last for years.........again proper upkeep. If you got one and it did not work right out of the box more likely it was damaged during transport. Any review from someone down playing this units capabilities or its quality is coming from and average user and not professional.

Review from simpsoncleaning.com
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Apr 5, 2018
GA DIY Guy
5 out of 5 stars review

Verified Purchase

One Powerful Pressure Washer

I purchased this unit recently and used it for a couple days. It is very powerful and exceeded my expectations. The engine started with a couple pulls and I had no operational issues. The hose is very heavy duty but is somewhat cumbersome to use. The wand was great and nozzles met my expectations. The one area of improvement could be the hose.

Review from simpsoncleaning.com
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Aug 1, 2019
sjorge
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
Helpful?7AT7XV54Y2LL15224104831