Simpson PowerShot 4400 PSI
#1 in GasFull review
The best value contractor washer here: 4400 PSI at 4 GPM with pro pump coverage for less than the Honda powered models. Too much machine for occasional home use.
Amazon $899.99$899.99
11 Simpson pressure washers ranked. Each one is scored and ranked against every brand in its power source, so "#3 mid-size" means third of all mid-size pressure washers here, not third among Simpson's own.
Simpson makes 11 current pressure washers: 11 gas. Prices run from $278.74 for the Simpson Clean Machine 2900 PSI to $1,397 for the Simpson Aluminum 4200 PSI. Its best-rated model: the Simpson PowerShot 4400 PSI (#1 of 20 gas, rated 4.1).
Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Simpson pressure washers 11
- Simpson PowerShot 4400 PSI#1 gasFull review
The best value contractor washer here: 4400 PSI at 4 GPM with pro pump coverage for less than the Honda powered models. Too much machine for occasional home use.
Amazon $899.99$899.994,400 PSI4 GPM17,600 - Simpson PowerShot 4000 PSI#4 gasFull review
A contractor grade washer for people who clean large areas often. Its flow and hose make big jobs much quicker than a homeowner unit.
Amazon $829.94$829.944,000 PSI3.5 GPM14,000 - Simpson PowerShot 4200 PSI#8 gasFull review
For pressure washing businesses and farms that run a washer for hours at a time. Homeowners get far better value from a 3,000 to 3,600 PSI model.
Amazon $1,199.04$1,199.044,200 PSI4 GPM16,800 - Simpson Aluminum 4200 PSI#9 gasFull review
For pressure washing businesses that want a CAT pump and a rustproof frame at full 4 GPM flow. The steel frame PS4240 does the same work for less.
Amazon $1,397$1,3974,200 PSI4 GPM16,800 - Simpson Clean Machine 3400 PSI#11 gasFull review
A compact, ready to run washer for homeowners who want 3400 PSI without a pro price. The short pump warranty is the trade off.
Amazon $359$3593,400 PSI2.5 GPM8,500 - Simpson Aluminum 3600 PSI#12 gasFull review
A light, corrosion resistant Honda and triplex washer for small contractors and serious homeowners. It costs less than the CAT pump ALH3228 with more pressure and a longer hose.
Amazon $701.99$701.993,600 PSI2.5 GPM9,000 - Simpson Clean Machine 3200 PSI#13 gasFull review
A light, well equipped homeowner washer for decks, siding and cars. The soap tank and turbo nozzle make it the better buy than the 2900 PSI Clean Machine.
Amazon $329$3293,200 PSI2.5 GPM8,000 - Simpson Clean Machine 2900 PSI#15 gasFull review
A cheap, light gas washer for occasional deck and patio cleaning. Buyers who wash a lot of concrete will want more flow and a longer warranty.
Amazon $278.74$278.742,900 PSI2.4 GPM6,960 - Simpson PowerShot 3500 PSI#17 gasFull review
A Honda powered washer for frequent home use at a lower price than the PS3228. Buyers who want the 5 year triplex pump coverage should pick the PS3228.
Amazon $618$6183,500 PSI2.5 GPM8,750 - Simpson PowerShot 3300 PSI#18 gasFull review
For homeowners and small contractors who will run a washer for many hours a year. You pay for the Honda engine and triplex pump, not for more cleaning power.
Amazon $659$6593,300 PSI2.5 GPM8,250 - Simpson Aluminum 3400 PSI#19 gasFull review
For contractors who want a CAT pump and a rustproof frame on a light 2.5 GPM machine. Homeowners get the same cleaning power for far less elsewhere.
Amazon $832.90$832.903,400 PSI2.5 GPM8,500
