High pressure cleaner 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 x W x 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
