Simpson PowerShot 4200 PSI
#8 in 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$1,199.04
3.3/5
A light, low cost washer for homeowners with occasional deck and car jobs. Buyers who use soap often should look at the WPX3400 with its built-in tank.
- 3,000 PSIPressure
- 2.3 GPMFlow
- 25 ftHose
- 3 yearsWarranty
Check price at Amazon$299
Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- At about 51 lb it is one of the lightest gas washers here
- 3 year residential warranty on the whole washer
- Never flat wheels and a tall handle make it easy to roll and store
Cons
- No soap tank; detergent needs a bucket and the siphon hose
- Only four tips, with no 15 degree tip for stripping
- No low oil shutdown
The Westinghouse WPX family
Every Westinghouse WPX model we rank, smallest first. Ratings compare each against its own power source.
| Model | Pressure | Rating | Price |
|---|---|---|---|
| Westinghouse WPX2700 | 2,700 PSI | 3.1/5 | $293.02 |
| Westinghouse WPX3000 (this one) | 3,000 PSI | 3.3/5 | $299 |
| Westinghouse WPX3400 | 3,400 PSI | 3.8/5 | $349 |
| Westinghouse WPX3600 | 3,600 PSI | 3.8/5 | $529 |
| Westinghouse WPX3800 | 3,800 PSI | 4.0/5 | $737.63 |
How it scores
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its power source. How we rank explains each one.
Specifications
| Model number | WPX3000 |
|---|---|
| Cleaning | |
| Pressure | 3,000 PSI |
| Flow | 2.3 GPM |
| Cleaning units | 6,900 |
| Nozzles included | 4 |
| Detergent | Siphon tube |
| Power | |
| Power | Gas |
| Engine or motor | 212 cc (Westinghouse OHV) |
| Pump | Axial cam |
| CARB compliant | No |
| Build | |
| Hose | 25 ft |
| Weight | 50.7 lb |
| Warranty | 3 years |
Alternatives in this power source
Simpson Aluminum 4200 PSI
#9 in 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$1,397
Simpson Clean Machine 3400 PSI
#11 in 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$359
Compare
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