Reliable, easy to operate hot water high-pressure cleaner, with excellent price/performance ratio and equipped with a high-quality crankshaft pump as well as a robust tubular steel frame.












Thanks to its proven and particularly powerful and reliable components, the HDS 9/20-4 M Classic hot water high-pressure cleaner from Kärcher shines with the simplest operation, ease of maintenance and best cleaning results. The robust crankshaft pump, protected from contamination by a water filter, and the low-speed, 4-pole electric motor ensure high performance and long-lasting operation. Thanks to the open design, all essential components are very easy to access, while maximum protection is ensured by a sturdy tubular steel frame. This makes the HDS 9/20-4 M Classic suitable for the most challenging applications under harsh conditions, such as on construction sites or in agriculture. Integrated crane hooks and large, puncture-resistant wheels facilitate transport to and from the site. The machine from the middle class is also equipped with the proven Classic high-pressure gun, a 30 litre fuel tank for very long cleaning applications and practical options for accessory storage as standard.
| Feature | Specification |
| 3 / 400 / 50 | Current type (Ph/V/Hz) |
| 300 - 900 | Flow Rate (l/h) |
| 30 - 200 / 3 - 20 | Operating pressure (bar/MPa) |
| max. 80 | Temperature (supply 12°C) (°C) |
| 7 | Power rating (kW) |
| 5.8 | Heating oil consumption ( 60°C) / eco!efficiency mode (kg/h) |
| 4.7 | Heating oil consumption, eco!efficiency (kg/h) |
| 5 | Power cable (m) |
| 30 | Fuel tank (l) |
| 124 | Weight (with accessories) (kg) |
| 134 | Weight incl. packaging (kg) |
| 1075 x 722 x 892 | Dimensions (L x W x H) (mm) |