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Customer reviews for Aluminum ALH3425(-S) 49-State 3600 PSI at 2.5 GPM HONDA® GX200 with AAA® Triplex Plunger Pump Cold Water Professional Gas Pressure Washer for
Aluminum ALH3425(-S) 49-State 3600 PSI at 2.5 GPM HONDA® GX200 with AAA® Triplex Plunger Pump Cold Water Professional Gas Pressure Washer
4.6 out of 5 stars
stars110 ratings110 reviews
  1. 5 stars70% (77)
  2. 4 stars25% (27)
  3. 3 stars2% (2)
  4. 2 stars3% (3)
  5. 1 star1% (1)
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Showing 1-10 of 110 reviews
Apr 28, 2026
Jimmy 45
5 out of 5 stars review

Verified Purchase

Great pressure washer

[This review was collected as part of a promotion.] This pressure washer works great. Very happy with the purchase. Would highly recommend. Only thing I have a complaint about is one wheel was not pinned in and kept falling off the unit. Once I turned the wheel around and installed the pin properly everything worked great. Nothing in the assembly instructions mentioned the wheel not being pinned in.

Review from simpsoncleaning.com
Helpful?14ORGU9XL2D013960212449
Jan 24, 2026
Fox75
5 out of 5 stars review

Verified Purchase

Nice Machine

[This review was collected as part of a promotion.] Machine looks very nice everything came ok. Right now it is just too cold out to use but can't wait till it warms up some. Usually Honda motors run good so we will see later. Nice and easy yo move around and since it is aluminum it is lighter and should not rust. The packaging was good too some nice heavy foam to keep it from moving.

Review from simpsoncleaning.com
Helpful?14ORGU9XL2D013960212449
reply from Simpson Team

We're glad to hear your Simpson pressure washer has made a great first impression & we're confident it will perform to your expectations. Enjoy that machine, Fox75!

Mar 30, 2026
Tim W
5 out of 5 stars review

Verified Purchase

Love this pressure washer!

Easy assembly, nice fit and finish particularly the aluminum frame. Honda engine is awesome and started on the first pull. Plenty of power to pressure wash deeply for driveways, etc.

Review from simpsoncleaning.com
Helpful?14ORGU9XL2D013960212449
Mar 28, 2026
Giuseppe
5 out of 5 stars review

Verified Purchase

Great pressure washer!

[This review was collected as part of a promotion.] A must have. This product is amazing. You can wash anything and it will come out super clean.

Review from simpsoncleaning.com
Helpful?14ORGU9XL2D013960212449
Mar 23, 2026
K9...FL
5 out of 5 stars review

Verified Purchase

Aluminum ALH3425(-S) - Honda

Great unit. I've had good luck with Honda small engines. Brand new, but I expect the additional cost for the Honda to be with it in the future.

Review from simpsoncleaning.com
Helpful?14ORGU9XL2D013960212449
Mar 16, 2026
Pressure washer bill
5 out of 5 stars review

Verified Purchase

Strong pressure

Get ready to hold on because this pressure washer is strong will clean anything.

Review from simpsoncleaning.com
Helpful?14ORGU9XL2D013960212449
Mar 19, 2026
Lisbon
5 out of 5 stars review

Verified Purchase

Performance

Great size for maneuverability. Honda performance and reliability. 3600 psi has plenty force.

Review from simpsoncleaning.com
Helpful?14ORGU9XL2D013960212449
Jun 15, 2015
PETER
4 out of 5 stars review

Verified Purchase

AWESOME PRESSURE WASHER !

I PURCHASED THE PRESSURE WASHER 3 WEEKS AGO AND I LIKE THE PERFORMANCE A LOT, JUST KNOWING THAT A HONDA ENGINE WAS USED AS A MAJOR PART OF THE MACHINE TELLS ME THAT SIMPSON IS CONCERNED ABOUT THERE QUALITY. NORMALLY I WOULD OF RATED THIS WASHER A 5 STAR BUT, 1) I HAVEN'T USED IT LONG ENOUGH TO VALIDATE DURABILITY, 2) WHEN THE WAND IS IN THE HOLDER AND I MOVE UNIT FROM POINT A TO POINT B THE WAND TIP CLANGS AGAINST THE ENGINE, NOT A MAJOR CONCERN BUT WHO WANTS TO SCRATCH UP THE PRETTY PAINT JOB ON THE NEW HONDA ENGINE, 3) I WOULD LIKE TO SEE THE HANDLE A LITTLE LONGER OR ADJUSTABLE FOR EASE OF MOVING UNIT. I'M GOING TO RATE IT A 4.5 STAR BUT SEEING THAT IT ISN'T A OPTION IT WILL HAVE TO BE A 4 STAR...

Review from simpsoncleaning.com
Helpful?14ORGU9XL2D013960212449
Apr 30, 2020
Roadkng
4 out of 5 stars review

Verified Purchase

Powerful

Excellent power, had a little trouble for the first start, due to the Factory not clearly marking the choke, throttle, fuel. Not just by sticking some numbers on the Machine........Another more serious problem, is the machine shaking, and wobbling all over the place. Already wore the Rubber feet half way, first time using the machine. You have to keep your eye on the Machine, to make sure it's not going to fall down some steps, off a wall, knock over a container of gasoline etc......

Review from simpsoncleaning.com
Helpful?14ORGU9XL2D013960212449
Mar 12, 2026
KevinG
2 out of 5 stars review

Verified Purchase

Hard to keep running

I have run the unit 2X. It is difficult to start and keep running. Must constantly be choked even after fully warm. Have tried several water supply options trying to eliminate variables, No water or air pocket issues. Troubleshoot advises cleaning the carburetor and jets as something may have lodged in transit. TBD,

Review from simpsoncleaning.com
Helpful?14ORGU9XL2D013960212449
reply from Simpson Team

Hello, KevinG. We're sorry to hear about the rough start & hope it's easily resolved. At your earliest convenience, would you contact our team at 877-362-4271 or email us at productsupport@simpsoncleaning.com? We hope to pinpoint the issue to determine how to improve performance as quickly as possible. We appreicate your feedback & hope you will be in touch soon!