The easy-to-use Kärcher HD 6/15-4 M Classic high-pressure cleaner from Kärcher's Classic range impresses with its robust construction, high-quality, durable components, and great versatility. This mid-range machine is suitable for a variety of cleaning tasks, such as cleaning vehicles, production facilities, agricultural machinery and equipment, as well as façade cleaning and use in municipal areas. The durable crankshaft pump with a brass cylinder head and suction function allows for operation with water temperatures of up to 60°C and also offers adjustable water flow and pressure settings. The reduced speed of the slow-running 4-pole motor reduces pump wear, and the pump is additionally protected by an integrated water filter. All important components are easily accessible with minimal effort thanks to the simple maintenance process. The clever concept of the HD 6/15-4 M Classic is rounded off by a well-thought-out storage solution for accessories, with EASY!Lock connections for quick and intuitive accessory changes.
Features and benefits
| Slow-running 4-pole electric motor |
- Reduced motor speed for less pump wear.
- Long motor lifespan.
- Very low motor vibrations.
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| Durable crankshaft pump with brass cylinder head |
- Long operating times with low maintenance costs.
- Pressure and water flow can be adjusted directly on the pump.
- With suction function and up to 60°C water temperature.
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| Easy maintenance |
- All important components are easily accessible with just a few movements.
- Oil level and quality easily readable via sight glass.
- Integrated water filter is tool-free and can be removed and cleaned.
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| Thoughtful accessory storage |
- Convenient storage for nozzles and small parts.
- Allows safe storage of the high-pressure hose.
- With integrated hook for storing the connection cable.
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| Classic accessories with EASY!Lock connectors |
- Durable and long-lasting accessories.
- Fast assembly and disassembly with easy accessory change.
- Easy and intuitive operation.
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Technical data
| Power supply (Ph/V/Hz) |
1 / 216 - 244 / 50 |
| Flow rate (l/h) |
450 - 600 |
| Max. water temperature (°C) |
60 |
| Working pressure (bar) |
70 - 150 |
| Max. pressure (bar) |
190 |
| Rated power (kW) |
3.4 |
| Connection cable (m) |
5 |
| Nozzle size |
036 |
| Water inlet |
1" |
| Color |
Anthracite |
| Weight (with accessories) (kg) |
51.6 |
| Weight including packaging (kg) |
64.6 |
| Dimensions (L × W × H) (mm) |
740 x 528 x 952 |
Equipment
- 1 x EASY!Force high-pressure gun
- 1 x High-pressure hose (10 m) with EASY!Lock
- 1 x Spray lance (840 mm) with EASY!Lock
- 1 x Power nozzle (15°, 036)
- Pressure shutdown
- Stepless pressure and water flow adjustment
Features

Kärcher pressure shutdown:
automatic shutdown of the motor and pump when the trigger is released.

The patented
EASY!Lock connector system makes setup and breakdown quick and easy. Thanks to the four-thread trapezoidal thread, the spray lance and gun, as well as the hose and gun, can be connected with just one turn.

This cold-water high-pressure cleaner is recommended for cleaning tasks with an average operating time of
2 to 3 hours.
Video
Application Areas
- High-pressure cleaning of vehicles
- Can be used for facade cleaning
- Cleaning of production machines in industries such as painting facilities, food production, or manufacturing industries
- High-pressure cleaning of machinery and equipment in construction, agriculture, and municipal areas
- Cleaning of public spaces such as public squares, driveways, fountains, or parking areas