Water blaster HD 9/20-4 M Classic

Robust, versatile water blaster with steel frame, 4-pole low-speed motor, crankshaft pump with brass cylinder head for long downtime and low maintenance effort.

The easy-to-use HD 9/20-4 M Classic water blaster from Kärcher's Classic range delivers an impressive robust construction design, high-quality, durable components and great versatility. The middle-class machine is suitable for a wide range of cleaning tasks, such as cleaning vehicles, production facilities, agricultural machines and equipment as well as façade cleaning and in the municipal sector. The durable crankshaft pump with brass cylinder head and suction function enables work with water temperatures of up to 60 °C and also offers adjustment options for water volume and working pressure. The reduced speed of the 4-pole low-speed motor also ensures less wear and tear on the pump, which is also protected by an integrated water filter. All important components are easily accessible in just a few steps thanks to the simple maintenance. The clever concept of the HD 9/20-4 M Classic is rounded off by thoughtfully engineered accessory storage with EASY!Lock connections for quick and intuitive accessory replacement.

Features and benefits
Water blaster HD 9/20-4 M Classic: 4-pole low-speed electric motor
4-pole low-speed electric motor
Water blaster HD 9/20-4 M Classic: Robust crankshaft pump with brass cylinder head
Robust crankshaft pump with brass cylinder head
Water blaster HD 9/20-4 M Classic: Simple maintenance
Simple maintenance
Clever accessory storage
Classic accessories with EASY!Lock connections
Specifications

Technical data

Number of current phases (Ph) 3
Voltage (V) 376 / 424
Frequency (Hz) 50
Flow rate (l/h) 500 - 900
Feed temperature (°C) 60
Working pressure (bar) 70 - 200
Max. pressure (bar) 240
Connected load (kW) 6.5
Power cable (m) 5
Nozzle size 047
Water inlet 1″
Colour anthracite
Weight (with accessories) (kg) 57
Weight incl. packaging (kg) 70
Dimensions (L × W × H) (mm) 740 x 528 x 952

Scope of supply

  • Spray gun: Standard
  • Spray lance: 840 mm
  • Power nozzle

Equipment

  • High-pressure hose length: 10 m
  • High-pressure hose specification: DN 8, 315 bar
  • Pressure switch-off
Water blaster HD 9/20-4 M Classic
Water blaster HD 9/20-4 M Classic
Water blaster HD 9/20-4 M Classic
Videos
Application areas
  • High pressure cleaning of vehicles
  • Can be used for cleaning façades
  • Cleaning production machinery in industry, such as in paint shops, in food production or in the manufacturing sector
  • High-pressure cleaning of machines and equipment in the construction, agricultural and municipal sectors
  • Cleaning communal spaces such as public squares, driveways, fountains or car parks
Accessories
Cleaning agents