For independent use in areas with poor infrastructure: the Karcher HD 9/23 De diesel-powered, mobile cold water high-pressure cleaner with 230 bar pressure for high cleaning performance.
Ideal wherever difficult external conditions and demanding cleaning tasks meet: the Karcher HD 9/23 De diesel-powered, cold water high-pressure cleaner with its resilient Yanmar diesel engine generates the electricity it needs itself. The required water can be sucked directly from lakes or ponds, allowing you to work in areas with poor infrastructure. The machine delivers 230 bar water pressure and therefore measures up to any task. Its ergonomic frame concept and the puncture-proof wheels guarantee maximum mobility, while the robust basic frame can withstand heavy-duty use. The EASY!Force high-pressure gun, makes use of the recoil force of the high-pressure jet to reduce the holding force for the operator to zero, also the EASY!Lock quick-release fasteners, make set-up and dismantling five times faster than with conventional screw connections. A large water filter and a thermostat valve are built in to protect the pump. The HD 9/23 De impresses with its simple operating concept, storage options for accessories and practical expansion options. For example, an attachment kit for a hose reel and an extracage frame with eyelets for loading onto a crane are also available as optional extras.
Features and benefits

Maximum independence
Fitted with a reliable Honda or Yanmar motor for use without an external power supply. Can suck up water – e.g. from lakes or ponds – and use it for cleaning.

Optimum ease of use
The ergonomic frame concept makes transport on uneven ground easier. Storage options for all accessory parts directly on the machine. Puncture-proof wheels guarantee permanently high mobility.

Highly versatile
Optional cage frame with eyelets for crane loading and reliable protection of the machines. Hose reel attachment kit for shorter set-up available as an optional extra. Portable version with robust pipe frame specially designed for painters and plasterers (HD 728 B).For the toughest jobs |
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Specifications
Technical data
Flow rate (l/h) | 400 - 930 |
Operating pressure (bar/MPa) | 40 - up to 230 / 4 - up to 23 |
Engine type | L 100 N / Diesel |
Weight (kg) | 105.3 |
Dimensions (L x W x H) (mm) | 800 x 700 x 800 |
Equipment
- Trigger gun, EASY!Force Advanced
- High-pressure hose, 15 m
- Spray lance, 1050 mm
- Power nozzle
- Infinitely variable pressure and water flow control on the unit
- Electric starter
- Servo Control
- Diesel
Downloads
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.
Nozzle kit includes power nozzles and unions. For Kärcher surface cleaners (850 to 1100 l/h).
Machine-specific nozzle kit with Kärcher power nozzles and jet nozzle for FRV 30.
The dirt blaster with rotating pencil jet offers 10 times better cleaning performance. Ceramic nozzle and bearing ring for a long service life. Further data: Max. 300 bar, 30 MPa, 85°C.
Cleaning Agents
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