K 4
1900 PSI. The K4 pressure washer delivers exceptional cleaning power for most cleaning jobs. The patented induction motor is water cooled to increase life up to 5X.
Applications
Karcher’s 1900 PSI K4 pressure washer delivers exceptional cleaning power for most cleaning jobs. Its patented induction motor is water cooled to increase life up to 5X. The Vario spray wand allows for quick adjustment between low and high pressure without the need to switch nozzles. For stubborn stains, the patented Dirtblaster® spray wand will clean up the toughest chores. The K4 is equipped with an N-COR® pump that is durable, non-corrosive and maintenance-free. An onboard detergent tank is included, with a dial to adjust the amount of soap being used. The K4 is our most affordable electric pressure washer with a water-cooled motor. Make your home and vehicles shine like new with the Kärcher K4! WARNING: This product can expose you to chemicals including lead and Diisononyl phthalate, which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
Features and benefits

Three-piston axial pump
Completely maintenance-free.
Detergent dosing
Detergent can be applied or changed with just one simple movement. With regulation of detergent quantity.
Quick Connect
The high-pressure hose is easy to attach, clicking quickly in and out of the device and gun. This saves time and effort.Tidy storage on the hook
- Generous cable hooks allow tidy storage of the cable directly on the device.
Specifications
Technical data
Pressure (psi) | max. 1900 |
Flow rate (gal/min) | max. 1.5 |
Area performance (ft²/hr) | 322 |
Water Feed Temperature Max. (°F) | max. 104 |
Connected load (A) | 13 |
Weight without accessories (lb) | 28 |
Weight incl. packaging (lb) | 38.3 |
Dimensions (L x W x H) (in) | 12 x 15.6 x 34.3 |
Equipment
- High-pressure spray gun, G 180 Q
- High-pressure hose, 25 ft ft
- Water-cooled motor
- Integrated water filter
- Adapter for 3/4" garden hose 3/4"

