Features and benefits
Pressure washer HD 10/21-4St: Durable and sturdy
Durable and sturdy
Reliable and durable Kärcher high-performance crankshaft pump ensures optimal pressure. 4-pole, slow-running electric motor guarantees a long working time. Robust reciprocating pump with brass cylinder head and high-quality materials ensure a long service life.
Pressure washer HD 10/21-4St: High-quality equipment
High-quality equipment
Storage tank with float valve and dry-running protection. Ready for connection of remote controls.
Pressure washer HD 10/21-4St: Simple operation
Simple operation
Just one rotary switch for all functions guarantees simple operation without long training times. Practical error display informs users immediately and saves time. Particularly user-friendly thanks to self-explanatory symbols. No need for time-consuming induction.
Robust design for harsh working conditions
  • Suitable for daily use.
  • Can be used under tough working conditions.
Detergent inlet
  • The detergent intake system with dosing valve and empty indicator is just part of the high-quality equipment supplied as standard.
  • Detergent dosing unit on the suction side.
  • Optional: second inlet with valve and empty indicator.
Adaptation according to requirements thanks to retrofitting capability
  • Automatic pressure relief is available as an option.
  • Optional: second inlet with valve and empty indicator.
  • Pressure gauge and elapsed time counter are available as an option.
Large integrated water filter
  • Large water fine filter for optimal protection of the pump.
  • Easy to reach, easy to clean.
  • Protects all high-pressure components.
Electronic monitoring for greater operating safety
  • Protects the pump against dry running.
  • Switches off in case of leaks or phase failure.
  • Overvoltage and undervoltage protection.
Is ready for use quickly at any time
  • Ready at the push of a button, with no set-up times or transporting mobile machines.
  • As soon as the gun is activated, the pump starts conveying water. This enables easy work at all take-off points.
  • The machine is always ready to go for maximum productivity and flexibility.
Specifications

Technical data

Number of phases (Phases) 3
Voltage (Volt) 400
Frequency (Hertz) 50
Flow rate (Litres per hour) 500 - 1000
Working pressure (Bar/Megapascal) 50 - 210 / 5 - 21
Max. pressure (Bar/Megapascal) 250 / 25
Inlet temperature (Celsius) 60
Connected load (Kilowatt) 7.5
Fuse protection (Ampere) 16
Power cable (Metre) 5
Water inlet 1″
Number of users 1
Portability stationary
Weight (with accessories) (Kilogram) 74
Weight incl. packaging (Kilogram) 83.768
Dimensions (L × W × H) (Millimetre) 800 x 605 x 600

Scope of supply

  • Servo Control
  • Power nozzle
  • Frame and cover: Steel, powder-coated
  • Prepared for Servo Control
  • Pre-equipped for a detergent inlet

Equipment

  • Crankshaft pump with ceramic pistons
  • Dry-running protection
  • Large fine mesh water filter
  • Storage tank with float valve
  • Prepared for remote operation
  • RM1 dosage
  • Sight glass for oil level
  • Oil dipstick
  • Water-cooled motor
Pressure washer HD 10/21-4St
Pressure washer HD 10/21-4St
Pressure washer HD 10/21-4St
Pressure washer HD 10/21-4St
Pressure washer HD 10/21-4St
Pressure washer HD 10/21-4St
Application areas
  • Vehicle and machine cleaning in the automotive, industry and agricultural area
  • High-pressure cleaning of machines and equipment in the construction, agricultural and municipal sectors
  • Ideal for car workshops, vehicle rental stores, car wash centers, building service contractors, trade professionals, small construction companies, small garages and farms, etc.
  • For cleaning tasks in the food and chemicals industries
  • Cleaning animal stables in agriculture
  • Ideal for use in vehicle cleaning, in the construction and transport sector, as well as in industry
  • Ideal for car dealerships, car hire companies and service stations
  • Public Services
Accessories
Cleaning agents