I purchased my PS 4240 last week. I am very impressed with the power it provides and the easy set up. It is very sturdy and well built. It's a little heavy for my liking but not a big deal. The only issue I have found is that I have to turn the unit off to switch tips in the wand.

[This review was collected as part of a promotion.] So happy that I bought this power washer! Has lots of power to get the tough grime off of my boat and just about anything. Keep up the great work simpson!!! Will definitely recommend this to my friends and family

Arrived with pin missing from the axle so the wheel now falls off. I now can't really use it at all. The axle pin is actually a dumb idea and has not stopped me dead in my tracks. Now I have to take time to call the manufacturer to get the part. Not happyat all.

I have only used this pressure a few times (4 tanks of gas) and it does an excellent job. So far concrete patio, walkways and wood deck. Faster and cleaner than I am used to. I bought it because it had the Honda motor and Simpson AAA pump (the pkg I wanted) and look forward to many years of reliable service. Speaking of reliable, it started on the first pull out of the box and continues to start on first or second pull. Also, I can lift it and put into the truck bed. Lastly, I saw a rating of pressure washers online and this one was top rated in a review that sounded credible.

I live in South Florida and use my pressure washer frequently. This is the 4th one I have owned in 30 years. I opted for the Honda engine because of past experience. This machine did not disappoint. It has plenty of power for deep cleaning. My driveway hasn't been this clean in years!

[This review was collected as part of a promotion.] This thing is definitely a beast! Have to be careful not to take off more than you want with it. Seems very heavy duty and well made. Hoping for lots of years of life and service out of it! It is fairly weight forward, so need to pay attention so it doesn't end up on its nose, but if using on level ground, this is pretty easily done.

I received this at the end of February. Assembly of the pressure washer had minor issues such as predrilled holes for assembly of the machine were misaligned and too small for the bolts provided for assembly. I was able to assemble and run the machine on 3/1/26 in spite of the issues (required drilling). Simpson should take note and fix these issues.

Purchased in May 2025 and used one time during the season. I was very pleased with the performance. Got it out to use this season and the motor started and ran fine (Honda motor), but there is no pressure coming from the pump. Will now have to endure a (likely costly) repair and delay in getting my pool deck cleaned before the swimming season.

The engine and pump are awesome the hose it comes with is lacking and leaves marks. The gun is lacking it works fine but feels a bit flimsy in the hand. The pressure rating is a bit high at 4gpm I have played with it I get 4gpm at around 3400psi. The packaging needs some support foam to keep from damage my unloader valve was bent upon arrival along with a couple dents in the fuel tank and heat shield. I use an external unloader valve and I dont mind a few dents. Thats the reasoning for 4 stars instead of 5.

I just bought this pressure washer and I’ve been trying to get in touch with someone because it has multiple issues….. The chemical injector doesn’t work, the unloader valve cap/pressure regulator cap has popped off twice which isn’t supposed to happen. This product is supposed to be the best on the market and I can’t tell. Horrible experience.