The HD 7/12-4 M Plus, a powerful, robust and versatile cold water pressure washer with good accessory storage and perfect manoeuvrability for daily operation.
Powerful, versatile and robust machines, ideal for tough cleaning jobs in agriculture, construction and automotive sectors, where high water flow is needed to shift dirt and detergent quickly. The upright design makes them highly manoeuvrable and easy to transport. Equipped with quality features such as an automatic pressure relief system and and built with efficient pump technology the machine can withstand harsh industrial environments. The dirtblaster nozzle provides even greater cleaning performance for the most difficult cleaning tasks and the sophistcated on board storage allows for secure and tidy storing.
Features and benefits
FEATURES AND BENEFITS

High-quality equipment
Automatic pressure relief for protecting the components extends their service life. Powerful, 4-pole slow-running electric motor. High-quality brass cylinder head.
Flexible operation
Designed for upright and horizontal operation. Maximum stability in horizontal operation as the wheels do not touch the ground.
Outstanding mobility
Push handle can be retracted at the push of a button, thus increasing the compactness of the machine and reducing the space requirement. Effortless storage in service vehicles. Integrated storage options reduce the set-up times.Clever accessory storage
- Bracket for fixing the cup foam lance.
- EASY!Lock TR20 allows the power nozzle or a surface cleaner to be stored directly at the machine.
- Practical nozzle compartment for holding the rotary nozzle.
Easy servicing
- Easy access to the cylinder head when bottom of machine is opened.
- Fast access to electrical box through simple removal of cover.
- Large, easily accessible water fine filter for protecting the pump against dirt particles in water.
Efficient and time-saving solutions
- Effortless EASY!Force high-pressure gun.
- EASY!Lock quick-release locks: durable and robust. And five times faster than screws.
Increased energy efficiency
- Newly developed 3-piston axial pump with considerably reduced flow and pressure losses.
- 20 percent increase in cleaning performance and energy efficiency.
Specifications
Technical data
Current type (Ph/V/Hz) | 1 / 240 / 50 |
Flow rate (l/h) | 700 |
Operating pressure (bar/MPa) | 120 / 12 |
Max. pressure (bar/MPa) | 180 / 18 |
Power rating (kW) | 3.1 |
Power cable (m) | 5 |
Weight (with accessories) (kg) | 41.3 |
Weight incl. packaging (kg) | 44.6 |
Dimensions (L x W x H) (mm) | 400 x 455 x 700 |
Equipment
- Trigger gun, EASY!Force
- High-pressure hose, 10 m
- Spray lance, 840 mm
- Power nozzle
- Dirt Blaster spray lance
- Pressure switch control
- Quick coupling
Accessories
For high-pressure cleaners with a flow rate of 350–600 l/h: new, robust and very high-quality foam cup lance with outstanding foam quality while consuming half as much cleaning agent.
DUO Advanced 1 cup foam lance with two-litre detergent tank and direct switching to high-pressure cleaning. Suitable for Kärcher pressure washers with a flow rate of 400 to 600 l/h.
The new Karcher FR 30 Surface Cleaner is an indispensable accessory for efficient and economical professional cleaning of indoor and outdoor surfaces. Rotating power nozzles, protected by a housing boost the area coverage of all professional cold water and hot water high-pressure cleaners. With the FR30 you save time and achieve perfect cleanliness - without splashing or getting wet.
Nozzle kit includes power nozzles and unions. For Kärcher surface cleaners (650 to 850 l/h).
The Karcher hard surface cleaner with built in vacuum FRV30 is a surface cleaner with integrated suction of waste water from the cleaned surface. This leaves surfaces much drier than other hard surface cleaners.
Machine-specific nozzle kit with Kärcher power nozzles and jet nozzle for FRV 30.
Cleaning Agents
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