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Karcher HDS 4.5/22-4M Ea

Karcher HDS 4.5/22-4M Ea

Sets the standard in performance, ease of use, economy and service life.

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Part Number: 1.071-908.0


The Karcher HDS 4.5/22-4M Ea (HDS Mid Class Series, Model Number: 1.071-908.0) sets the standard in performance, ease of use, economy and service life. The Karcher HDS 4.5/22-4M Ea is environmentally friendly and efficient thanks to the Eco mode, a service switch for adjustment of water hardness, turbo fan, precise detergent dosage, optimized burner technology and high pump efficiency. Accessories are optimized for specific applications to suit customer needs. A central, clearly arranged control panel designed for intuitive operation, spray lance holder, and LED displays make this a user-friendly unit. Large rubber-tired wheels, swivel casters, ergonomic push handles, forklift lifting points, lashing rings and a tilting aid provide mobility and easy transport. Flue gas monitoring, a corrosion-proof chassis, machine protector system, and three-piston axial pump with ceramic pistons and heat-resistant flue outlet guarantee safety and reliability, and easy access to components makes this unit service friendly. A service switch can even call up operating data for troubleshooting.


  • eco!efficiency mode – economical and environmentally friendly, even during longer periods of use.
  • Reduces fuel consumption and CO² emissions by 20%.

EASY!Force Trigger Gun

  • EASY!Force technology holds the trigger down once you start it, avoiding the strain on your hands associated with other trigger guns.

Service Switch

  • Service switch offers a choice of five settings to suit local water hardness.
  • Allows optimum metered quantities of anti-scaler and corrosion inhibitor to be added to the water supply, and prevents the buildup of lime scale on the heater coil.
  • Operating data can be called up at any time, allowing you to make continual adjustments.

Time Proven Burner Technology with NEW Turbo Fan

  • Karcher burner technology not only translates to more economical operation, but also makes this hot water pressure washer a trendsetter in environmental protection thanks to their low emissions and highly efficient operation.

Additional information

Weight501 lbs
Dimensions51 × 32 × 45 in

Part Number

Pressure Washer Style



Hot Water






Karcher Axial

Pump Drive







220v – 240v





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Superior Cleaning Equipment is your source for pressure washers, parts washers, wash water treatment systems and floor care equipment. We sale and provide service and parts for nearly all cleaning equipment. Visit us in Phoenix, Arizona or San Diego, California for a free demo. Authorized Landa, Karcher, Watermaze dealer.