The Karcher HD 9/25 G is the most powerful cold water high-pressure cleaner with petrol engine in our Classic range. It stands out for its self-sufficient power supply and working pressure of up to 250 bar.
With a working pressure of up to 250 bar, 900 litres of water per hour and robust crankshaft pump, the HD 9/25 G Classic cold water high-pressure cleaner can effortlessly master even highly demanding cleaning tasks. Thanks to the powerful EU STAGE V petrol engine, which eliminates the need for an external power supply, and equipped with a robust tubular steel frame and puncture-proof wheels, the HD 9/25 G Classic is suitable for heavy-duty use on construction sites, in handicraft, in municipalities or by building service contractors. An ergonomic push handle and very compact dimensions and accessory storage for, for example, high-pressure hose and lance, make the machine easy to handle and transport in a car. Important machine components are easily accessible for servicing tasks and effectively protected by thermo and safety valves, as well as a large water filter.
Features and benefits

Independence

Outstanding mobility
Puncture-proof wheels guarantee permanently high mobility. For good mobility, easy transport and space-saving storage – fits in a standard car.
Durable and sturdy
Crankshaft pump with ceramic pistons.Storage for accessories
- Hose hook and accessory storage for simple storage and carrying.
- Ergonomic grip and hose storage.
Specifications
Technical data
Flow Rate (l/h) | 900 |
Operating pressure (bar/MPa) | 250 / 25 |
Max. Pressure (bar/MPa) | 300 / 30 |
Drive type | Petrol |
Motor type | G390FA |
number of simultaneous users | 1 |
Weight (with accessories) (kg) | 48.4 |
Weight incl. packaging (kg) | 56.4 |
Dimensions (L × W × H) (mm) | 878 x 538 x 702 |
Equipment
- Trigger gun, Standard
- High-pressure hose, 10 m
- Power nozzle
- Cage frame
- Crankshaft pump with ceramic pistons
- Water filter
Accessories
600 mm stainless steel lance (manual coupling) with ergonomic handle for ease of use and protection. Rotatable 360° under pressure.
For hard-to-reach areas: High-pressure articulated joint with infinite angle adjustment up to 120°. Simply attach directly to the spray lance of the pressure washer.
20 m high-pressure hose (M 22 x 1.5) with kink protection. With patented rotating AVS trigger gun connector and manual coupling. Further data: DN 8/155°C/315 bar.
Brass double connector for connecting and extending high-pressure hoses. With rubber protection. Connector: 2x M 22 x 1.5 m.
The Karcher FR 30 ME high-quality, hot water resistant surface cleaner. The FR 30 ME has a stainless steel casing with a working width of 300 mm, ideal for indoor cleaning, for example in the food industry.
Thanks to automatic suction of the dirty water, the stainless steel FRV 30 Me Surface Cleaner makes surface cleaning more efficient in both inside and outside areas. Hot water cleaning up to 85°C.
Cleaning Agents
For optimal protection of hot water high-pressure cleaners with System Care option. System Care Advance 2 provides the following protection functions for your equipment:– Protection against limescale deposits in the heating coil (up to 150°C) – Pump care additive for continuous lubrication and care of the high-pressure pump – Protection against black water contamination (rust formation in the heating coil in the case of very soft water) – Corrosion protection for all parts in contact with water.
Scale inhibitor for hot water high-pressure cleaners with integral corrosion protection, especially for use in new HDS units with System Care option. The System Care Advance 1 RM 110 ASF formula offers improved protection against limescale deposits on heater coils (up to 150 °C) and provides integral corrosion protection for components in contact with water.
Powerful facade cleaner with gel formula. Removes soot, oil, grease and environmental stains. Suitable for façades clad with stone, brick, rough-cast plaster, plastic, wood and glass.
Powerful deep cleaner effectively removes the most stubborn stains, such as oil, grease, soot, blood and proteins. Low foam production. Particularly suited for floor cleaning by machine and for processing with hard surface cleaners. NTA free.
Removes even the toughest grease, protein, oil and soot soiling from floors, working surfaces, machines, etc. (particularly suitable for food processing operations). Easy to use, gentle cleaning action. Washes clean without residue.
The alkaline Foam Cleaner RM 838 is for contactless vehicle washing which effortlessly removes heavy oil and grease stains, insect residues and road dirt and is gentle on paintwork.
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