HDS 9/20-4 M
Extremely user-friendly middle class hot water high-pressure cleaner with robust 3-piston axial pump, water-cooled 4-pole electric motor and 2 detergent tanks.
The HDS 9/20-4 M hot water high-pressure cleaner from Kärcher combines the highest cleaning quality with the best ergonomics and user-friendliness. High-quality components and systems, such as the robust 3-piston axial pump with ceramic piston, the low-speed, water-cooled, 4-pole electric motor, optimised burner engineering and the economical eco!efficiency mode, ensure safe and economical operation. The innovative EASY!Force Advanced HP trigger gun with servo control and 1050-millimetre-long stainless steel spray lance with patented nozzle technology is also included as standard for effortless, fatigue-free and ergonomic work. The middle class machine also impresses with its 2 detergent tanks, intuitive 1-switch operation, ergonomic accessory storage, time-saving EASY!Lock quick-release fasteners and a sophisticated mobility concept. Consistently applied safety technology with water filter, safety valves and SDS hose also reliably protects the particularly maintenance-friendly HDS 9/20-4 M from damage.
Features and benefits
High efficiency
- In eco!efficiency mode, the machine operates in the most economical temperature range (60 °C) – with full water flow.
- The burner cycles are optimised to reduce fuel consumption by 20% compared to full load operation.
Wide-ranging accessories with EASY!Lock
- EASY!Force Advanced for fatigue-free work without any holding force.
- Pressure and water volume can be adjusted on the Servo Control controller positioned between the lance and trigger gun.
- Rotating 1050 mm stainless steel lance.
Maximum efficiency
- Highly efficient, tried-and-tested "Made in Germany" burner technology.
- 4-pole electric motor with 3-piston axial pump.
- Water-cooled motor for a high performance and long service life.
Operational safety
- Easy-to-access water filter protects the pump against dirt particles in the water.
- Safety valves, water shortage and fuel protection ensure the availability of the machine.
- The Soft Damping System (SDS) compensates for vibration and pressure peaks in the high-pressure system.
Multiple storage spaces for accessories integrated into the machine
- On-board storage for full range of accessories. Includes 2 hooks for suction hose and power cord.
- Spacious storage compartment, e.g. for detergents, gloves or tools.
Detergent dosing
- Easy to switch between detergent tank 1 and 2.
- Precise detergent dosing unit with rinse function.
Mobility concept
- "Jogger" design with large rubber wheels and steering roller.
- Integrated tipping trough for effortless transport over ledges.
- Push handles for simple transport and manoeuvrability.
Easy to use controls
- One switch for all unit functions.
Specifications
Technical data
| Current type (Ph/V/Hz) | 3 / 400 / 50 |
| Flow Rate (l/h) | 450 - 900 |
| Operating pressure (bar/MPa) | 30 - 200 / 3 - 20 |
| Temperature (supply 12°C) (°C) | min. 80 - max. 155 |
| Power rating (kW) | 7 |
| Consumption fuel oil (kg/h) | 6.5 |
| Heating oil consumption, eco!efficiency (kg/h) | 5.2 |
| Power cable (m) | 5 |
| Fuel tank (l) | 25 |
| Weight (with accessories) (kg) | 155.2 |
| Weight incl. packaging (kg) | 165.1 |
| Dimensions (L × W × H) (mm) | 1330 x 750 x 1060 |
Scope of supply
- Trigger gun: EASY!Force Advanced
- High-pressure hose: 10 m, Longlife, DN 8,400 bar
- Spray lance: 1050 mm
- Power nozzle
Equipment
- ANTI!Twist
- Tanks for detergent, scale inhibitor and fuel can be filled from outside
- Control panel with indicator lamps
- Pressure switch control
- Pole reversing plug (three-phase)
- Two detergent tanks
- Dry running protection
Videos
Application areas
- Vehicle cleaning
- Device and machine cleaning
- Workshop cleaning
- Cleaning outdoor spaces
- Service station cleaning
- Façade cleaning
- Swimming pool cleaning
- Cleaning of sports facilities
- Cleaning during production processes
- Cleaning of production facilities
