
Kärcher K4 Power Control
Score: 78/100
DeWalt PressuReady
Score: 88/100Rankings

The DEWALT DXPW3400PRNB is a professional-grade gas pressure washer featuring innovative PressuReady electric starting technology. It delivers high performance with 3400 PSI and 2.5 GPM, making it suitable for heavy-duty commercial tasks. While the electric start offers significant convenience, the need to purchase a separate battery and the unit's weight are notable trade-offs.

The Kärcher K4 Power Control is a mid-range electric pressure washer designed for residential outdoor cleaning tasks, delivering up to 1900 PSI with a water-cooled induction motor. It features smart app integration and adjustable pressure settings via an LED display trigger gun. It is best suited for homeowners performing regular residential outdoor cleaning tasks who value smart features and durability.
| Attribute | ![]() | ![]() |
|---|---|---|
1,900 PSI | 3,400 PSIbest | |
1.5 GPM | 2.5 GPMbest | |
26 ftbest | 25 ft | |
| ↓ lower better | 28 lbsbest | 76 lbs |
— | 2 yearsbest | |
120 Vbest | 20 V | |
— | 0 ozbest | |
— | 5 countbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(3) | ||
Max Pressure (PSI) | 1900 PSI | 3400 PSI |
Flow Rate (GPM) | 1.5 GPM | 2.5 GPM |
Pump Type | Three-piston Axial | Axial Cam |
Power(3) | ||
Power Source | Electric | Gas |
Motor Type | Induction | Gas Engine |
Voltage (V) | 120 V | 20 V |
Features(1) | ||
Hose Length (ft) | 26 ft | 25 ft |
Accessories(1) | ||
Nozzle Types | Vario Power, Dirt Blaster | 0, 15, 25, 40, Soap |
General(3) | ||
Weight (lbs) | 28 lbs | 76.0 lbs |
Warranty Length (years) | null years | 2 years |
Overall Dimensions | 12.1 x 23.2 x 15.9 inches | 40x21x29 inches |

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Professional reviewers highlight the PressuReady system as the main attraction, comparing its convenience to hybrid car technology. They note that the unit's 3400 PSI and 2.5 GPM output exceeds typical mid-range units.
Users commonly praise the convenience of the trigger-activated electric start, noting it is significantly easier than manual pull-cord methods. However, some users have reported engine shutoff issues.