HDS 10/20-4 M Classic

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  • Specifications

Hot Water High Pressure Cleaner

The most powerful three-phase hot water high-pressure cleaner in the Kärcher middle class: HDS 10/20-4 M Classic. With 4-pole, water-cooled electric motor, two cleaning agent tanks and much more.

Uncompromising in every respect: maximum pressure, maximum flow rate. The HDS 10/20-4 M Classic hot water high-pressure cleaner is the most powerful machine in the Kärcher middle class. The innovative eco!efficiency mode, precise cleaning agent dosing unit and optimised burner engineering reduce the impact both on the environment and on your wallet to a minimum, while the patented nozzle technology, ceramic pistons, turbo blower and outstanding pump efficiency ensure top cleaning results. Ease of operation is also ensured by an intuitive control panel, LED displays and a sophisticated mobility concept, all of which simplify operation and transport of the machine. Servicing and maintenance work is easy, as all of the relevant components are easily accessible and operating data can be retrieved at any time



·         Exhaust gas thermostat

·         Anti-twist system

·         Pressure cut-off

·         Fuel shortage protection

·         Steam stage

·         3-piston axial pump with stainless steel pistons, With ceramic pistons

·         Spray gun, Easy Press trigger gun

·         Spray gun with soft grip

·         Integrated fuel and detergent tank

·         Pole reverse plug (3-phase)

·         Power nozzle

·         Soft Damping System (SDS)

·         Service electronics with LED display

·         Spray lance, rotatable

·         Infinitely variable pressure and water flow regulation on the machine

·         Dry-running protection

·         Calcification protection

·         4-pole engine (low-speed machine)

·         Two detergent tanks


















Supply voltage (Ph/V/Hz)


Flow rate (l/h)


Working pressure (bar/MPa)


Max. temperature (°C)


Connection load (kW)


Fuel tank (l)


Heating oil or gas consumtion (kg/h)


Cleaning agent tank (l)


Power cable (m)
Weight (kg)


Dimensions (L x W x H) (mm)

1330 x 750 x 1060