
AAA PowerBoost
Score: 88/100
BMotorParts Westinghouse WPX3200 Pump
Score: 85/100Rankings

The AAA 3700 PSI pump is a high-performance triplex replacement featuring brass heads and ceramic pistons for superior durability and cleaning power. Its adjustable unloader and thermal protection make it a robust choice for heavy-duty tasks. It is best suited for DIY homeowners or semi-pros with gas pressure washers needing a reliable, long-lasting upgrade.

The Westinghouse WPX3200 is a gas-powered pressure washer featuring a 212cc engine and axial cam pump, delivering 3200 PSI and 2.5 GPM. It stands out for its comprehensive accessory kit, including a soap tank and quick-connect nozzles, making it a top-rated choice for homeowners. While the axial pump requires more maintenance than premium options, its overall value and performance are highly praised.
| Attribute | ![]() | ![]() |
|---|---|---|
3,700 PSIbest | 3,200 PSI | |
2.5 GPMbest | 2.5 GPMbest | |
0.75 inches | 1 inchesbest | |
12 inchesbest | — | |
3,600 RPMbest | — | |
0.75 inchesbest | — | |
0.063 quartsbest | — | |
| ↓ lower better | 9 lbsbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(2) | ||
Maximum Pressure (PSI) | 3700 PSI | 3200 PSI |
Pump Type | Triplex Plunger | Axial Cam |
Compatibility & Mounting(2) | ||
Shaft Diameter (inches) | 0.75 inches | 1.0 inches |
Shaft Type | Horizontal | Hollow |
Physical(1) | ||
Product Weight (lbs) | 9.0 lbs | N/A lbs |

Products in the top-left offer the best value (high score, low price).

Professional reviewers praise the pump for surpassing expectations in harsh conditions, highlighting the PowerBoost technology and easy-start unloader.
Users appreciate the easy oil checks, adjustable power, and quick setup, noting robust build quality and compatibility with popular engines like Honda GX200.




Professional reviewers highlight the Westinghouse WPX3200 as a highly mobile and user-friendly pressure washer suitable for cold-water applications. Consumer Reports praises its ease of transport and simple controls.
Everyday consumers generally praise the Westinghouse WPX3200 for its strong cleaning power and convenience of quick-connect nozzles. Recurring complaints focus on the necessity of storing gasoline and axial pump maintenance.