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Customer reviews for SIMPSON PowerShot 4400 PSI at 4.0 GPM SIMPSON 420cc Gas Pressure Washer for
SIMPSON PowerShot 4400 PSI at 4.0 GPM SIMPSON 420cc Gas Pressure Washer
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4.7 out of 5 stars
stars
610 ratings596 reviews
  1. 5 stars82% (500)
  2. 4 stars13% (78)
  3. 3 stars1% (8)
  4. 2 stars0% (3)
  5. 1 star3% (21)

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Showing 591-596 of 596 reviews
May 6, 2020
Reviewer name: DKSC
1 out of 5 stars
1 out of 5 stars review

Injector problems

As a pressure washer the stats are impressive however I cannot get the chemical injector to work properly.

Review from simpsoncleaning.com
Helpful?4LDY3BT2CMUR13758761122
Nov 13, 2019
Reviewer name: AlwaysForwardServices
5 out of 5 stars
5 out of 5 stars review

Great Machine

This is the first unit we purchased to start our business. Easy to use and Powerful. I love this thing...IT IS A BEAST!

Review from simpsoncleaning.com
Helpful?4LDY3BT2CMUR13758761122
reply from Customer Service

Glad you love it AlwaysForwardServices!!! Best of luck with your new business, you're off to a great start. - SIMPSON Team

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?4LDY3BT2CMUR13758761122
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!

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?4LDY3BT2CMUR13758761122
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 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?4LDY3BT2CMUR13758761122
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!

Jan 20, 2025
Reviewer name: Pierr12
5 out of 5 stars
5 out of 5 stars review

Great machine

Good design , excellent performance very efficient

Review from simpsoncleaning.com
Helpful?4LDY3BT2CMUR13758761122
reply from Simpson Team

It's great to hear you've appreciated the design, and your 4400 PSI pressure washer has been performing powerfully to tackle your jobs with speed & efficiency. Show off your projects any time by tagging #simpsonclean on social media and we'd love to see photos of the results you achieve. Thanks for reviewing, Pierr12!