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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
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4.7 out of 5 stars
stars
657 ratings657 reviews
  1. 5 stars84% (551)
  2. 4 stars12% (77)
  3. 3 stars1% (9)
  4. 2 stars1% (4)
  5. 1 star2% (16)

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Showing 651-657 of 657 reviews
Aug 7, 2025
Reviewer name: Kidd187
5 out of 5 stars
5 out of 5 stars review

Great features

Good pressure washer. Just bought a couple days ago and used it and so far it gets the job done.

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

It's good to hear your 4200 PSI pressure washer has been powering away to tackle your jobs with ease. Feel free to tag #simpsonclean on social media any time & we'd love to see photos of your results. Thanks for sharing your feedback, Kidd187!

Oct 5, 2025
Reviewer name: Kyler07
5 out of 5 stars
5 out of 5 stars review

Honda 🤟🏼

Solid unit, works great. Starts up every time, super reliable honda engine and great AAA pump.

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

It's great to hear your 4200 PSI pressure washer has been performing with the power & reliability you expect from those quality components, Kyler07. Feel free to show it off any time by tagging #simpsonclean on social media & we'd love to any before/after photos. Thanks for reviewing & have fun knocking out your projects!

Sep 21, 2025
Reviewer name: PWasher
1 out of 5 stars
1 out of 5 stars review

Doesn’t work

Started smoking on first use and now won’t turn on.

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

Hi, PWasher- This is not what we expect at all! Will you please give us a call or email our support center at your earliest convenience? We'll do some troubleshooting and see about getting you fixed up. 877.362.4271 / productsupport@simpsoncleaning.com

Aug 14, 2025
Reviewer name: Simpson power review
5 out of 5 stars
5 out of 5 stars review

Powerwasher

I am very excited to use my new powerwasher i have alot of equipment to wash with it.

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

We're glad to hear your 4400 PSI pressure washer has already made a great first impression. You'll have to tag #simpsonclean on social media once you fire it up & we'd love to see any before/after photos of your equipment! We're excited for you to start enjoying the impressive power & we appreciate the rating!

Sep 11, 2025
Reviewer name: RingShawn
3 out of 5 stars
3 out of 5 stars review

So far pretty good

Only used it a little bit today so far seems okay, hopefully will get to test it out this weekend!

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

We're excited for you to start really enjoying the performance & power of your new Simpson pressure washer this weekend, RingShawn. Feel free to tag #simpsonclean on social media once you start tackling your projects & we'd love to see photos of your results. Thanks for reviewing!

Aug 16, 2025
Reviewer name: lorenrod
5 out of 5 stars
5 out of 5 stars review

Great power.

Brand new and looks awesome. Love the Honda engine.

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

It's good to hear you've been happy with the quality components of your 4200 PSI pressure washer & we're confident it will serve you well! Feel free to show off your work any time by tagging #simpsonclean on social media & we'd love to see any photos of your results. Enjoy that machine & thanks for the review, lorenrod.

Aug 29, 2025
Reviewer name: Sam96
2 out of 5 stars
2 out of 5 stars review

Terrible pump!

The pressure washer’s pump is already leaking after just 3 uses.

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

This is certainly not what we expect to hear, & we're concerned to read about the leak you describe. If you would please reach out to our team at 877-362-4271 or email us at productsupport@simpsoncleaning.com we hope to determine how to get this issue resolved as quickly as possible. We appreciate you sharing this experience & hope to hear from you soon, Sam96!