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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
593 ratings579 reviews
  1. 5 stars81% (483)
  2. 4 stars13% (77)
  3. 3 stars1% (8)
  4. 2 stars1% (3)
  5. 1 star4% (22)

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Showing 521-530 of 579 reviews
May 8, 2026
Diane Daggett
5 out of 5 stars review

Works great great for power washing commercial pools

Great for commercial pools and Homes prior to painting priming

Review from simpsoncleaning.com
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May 17, 2026
Tlmiller663
5 out of 5 stars review

Great looking unit

Waiting to use but this looks like it will get the job done.

Review from simpsoncleaning.com
Helpful?4LDY3BT2CMUR13758761122
May 15, 2026
Kdc1995
5 out of 5 stars review

Great Product

Just got it. Great looking product and runs amazing

Review from simpsoncleaning.com
Helpful?4LDY3BT2CMUR13758761122
Mar 12, 2022
Dr Feelgood
5 out of 5 stars review

Verified Purchase

great pressure washer...runs best on 92 oct

must buy

Helpful?4LDY3BT2CMUR13758761122
Mar 15, 2022
Edgar
3 out of 5 stars review

Pump went bad

I purchased the pressure washer 3 months ago and have used it for about 8 small jobs. Then the pressure pump started to leak a white liquid that appears to be oil mixed with water. I contacted warranty support and they told me the pump may need to be replaced, the warranty support so far it's been great I hope everything gets resolved fast.

Helpful?4LDY3BT2CMUR13758761122
reply from Supplier Response

Hi, Edgar. We are sorry for the delayed response - a technical glitch prevented us from reading your review until now. We hope warranty support was able to resolve the pump issue quickly & you were able to start enjoying the performance of your machine again. Never hesitate to contact us directly at 877-362-4271 or email us at productsupport@simpsoncleaning.com with any future questions or concerns. Thanks for sharing your feedback!

Dec 9, 2025
jcord023
5 out of 5 stars review

Great Product

All the power I need. Great for pressure washing driveways, fences, softwashing homes and roofs

Review from simpsoncleaning.com
Helpful?4LDY3BT2CMUR13758761122
Jan 4, 2026
Bdoe
5 out of 5 stars review

Well built

This is a well built high quality machine. Best bang for you buck in the 4000psi + washer.

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

We're glad you've been impressed with the quality build of your Simpson pressure washer, & you've enjoyed a five-star performance with plenty of power to suit your needs. Thanks for the positive feedback, Bdoe!

Mar 23, 2026
joeybebcc
5 out of 5 stars review

Great Power Washer

Bought this product a few weeks ago and it is everything I expected.

Review from simpsoncleaning.com
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Mar 19, 2026
Devanc97
4 out of 5 stars review

Looks Great!

Unit looks heavy duty! Can’t wait to use it! Looks like it should last for years to come.

Review from simpsoncleaning.com
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Mar 23, 2026
Anonymous
5 out of 5 stars review

Small Package - Big Performance/Results

Highly recommend and very satisfied with my purchase. Can't go wrong with simpson and Honda combo.

Review from simpsoncleaning.com
Helpful?4LDY3BT2CMUR13758761122