Westinghouse WPX3400
#5 in GasFull review
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.
Amazon $349$349
The Westinghouse WPX3400 rates 3.8 among gas pressure washers; the Westinghouse WPX3400e rates 3.4 among electric ones. The Westinghouse WPX3400 costs $26 less ($349 vs $375).
Westinghouse WPX3400e
#5 in ElectricFull review
A top end plug-in washer for concrete and siding, rated at a true 3000 PSI. Buyers who want faster rinsing should still look at gas.
Amazon $375$375
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.
Scores side by side
These two sit in different power source classes (gas and electric), and each is scored against the reference points for its own class, so a rating says how well each does among its own power source peers. How we rank explains each factor.
| Factor weight | Westinghouse WPX3400 | Westinghouse WPX3400e |
|---|---|---|
| Overall rating | 3.8/5 | 3.4/5 |
| Value 35% | 87 $39.48 per 1,000 cleaning units ($349, 8,840) | 27 $113.64 per 1,000 cleaning units ($375, 3,300) |
| Cleaning power 30% | 64 8,840 cleaning units (3,400 PSI x 2.6 GPM) | 100 3,300 cleaning units (3,000 PSI x 1.1 GPM) |
| Hose 10% | 33 25 ft hose | 33 25 ft hose |
| Warranty 25% | 50 3-year warranty | 50 3-year warranty |
Specifications
| Westinghouse WPX3400 | Westinghouse WPX3400e | |
|---|---|---|
| Cleaning | ||
| Pressure | 3,400 PSI | 3,000 PSI |
| Flow | 2.6 GPM | 1.1 GPM |
| Cleaning units | 8,840 | 3,300 |
| Nozzles included | 5 | 5 |
| Detergent | Onboard tank | Onboard tank |
| Power | ||
| Power | Gas | Electric |
| Engine or motor | 212 cc (Westinghouse OHV) | - |
| Pump | Axial cam | Axial cam |
| Total stop | - | Yes |
| CARB compliant | No | - |
| Build | ||
| Hose | 25 ft | 25 ft |
| Power cord | - | 35 ft |
| Weight | 63 lb | - |
| Warranty | 3 years | 3 years |