Karcher
K4
Domestic electric pressure washer
Last reviewed 9 November 2026
Where to hire or buy the Karcher K4
Specifications
| Pressure | 20 - max. 130 bar |
| Flow rate | max. 420 l/h |
| Rated input power | 1800 W |
| Weight without accessories | 5,5 kg |
| Dimensions (L x W x H) | 302 x 346 x 849 mm |
Figures taken from the manufacturer: source. Specifications change by model year and configuration - confirm with the supplier before relying on them.
Who uses it
An entry-level domestic pressure washer used for patios, driveways, cars and garden furniture rather than trade cleaning work. Tool hire depots and general hire firms stock it as everyday, low-cost equipment.
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