Westinghouse WPX3800
#3 in GasFull review
For big properties and frequent users who want near contractor flow for less than a Honda powered Simpson.
Amazon $737.63$737.63
3.8/5
A strong value for homeowners who clean driveways, siding and decks a few times a year, backed by a longer warranty than most rivals at this price.
- 3,400 PSIPressure
- 2.6 GPMFlow
- 25 ftHose
- 3 yearsWarranty
Check price at Amazon$349
Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- 3400 PSI at 2.6 GPM cleans driveways quickly for the price
- 3 year residential warranty covers the whole washer
- On-board soap tank and all five standard tips included
Cons
- No low oil shutdown, so check the oil before each use
- Only a 25 ft hose
- Not sold in California
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 | 3,000 PSI | 3.3/5 | $299 |
| Westinghouse WPX3400 (this one) | 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 | WPX3400 |
|---|---|
| Cleaning | |
| Pressure | 3,400 PSI |
| Flow | 2.6 GPM |
| Cleaning units | 8,840 |
| Nozzles included | 5 |
| Detergent | Onboard tank |
| Power | |
| Power | Gas |
| Engine or motor | 212 cc (Westinghouse OHV) |
| Pump | Axial cam |
| CARB compliant | No |
| Build | |
| Hose | 25 ft |
| Weight | 63 lb |
| Warranty | 3 years |
Alternatives in this power source
Simpson PowerShot 4000 PSI
#4 in 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$829.94
Westinghouse WPX3600
#6 in GasFull review
For homeowners who want a longer lasting triplex pump and longer hose without paying Honda engine prices.
Amazon $529$529
Compare
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