KÄRCHER steam cleaner SG 4/4

Steam cleaner SG 4/4
Compact steam cleaner SG 4/4 with a powerful 4 bar of vapour pressure. With infinitely adjustable steam regulation and VapoHydro function for outstanding cleaning results without the use of chemicals

Gross Weight: 11.197 kg
Art.-no. 75730090

Individual Prices for customers after login

KÄRCHER steam cleaner SG 4/4

Art.-no. 75730090

Individual Prices for customers after login




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Hygienic cleaning without the use of chemical substances


  • 4 bar of vapour pressure
  • 4 l tank
  • 2300 W of heating power
  • Boiler temperature max. 145°C
  • with VapoHydro function: The steam setting can be infinitely adjusted to suit the cleaning task at hand. In addition to the vapour pressure, the saturation of steam is also infinitely adjustable, ranging from full steam to hot water.
  • with accessory storage compartment: can be used to store various accessories. Particularly suitable for safely storing small parts so that they do not get lost.
  • with integrated cable hook and a tube holder for space-saving storage


  • Short heating time
  • Eliminating the use of aggressive cleaning agents protects both the user and the surfaces being cleaned
  • All you need to start cleaning is water, which is good for both your health and your wallet
  • Dual tank system: The fresh water tank can be kept full at all times as the boiler and tank are separate from each other. Only part of the total volume is heated at any one time, ensuring constant vapour formation.


An independent laboratory has tested the efficacy of Kärcher's steam cleaners for fighting viruses. the result: When used correctly, the devices are capable of removing up to 99.999% of enveloped viruses*, such as corona and influenza viruses, as well as 99.99% of household bacteria** from hard surfaces. As outpatient and inpatient care facilities are currently being prioritised for disinfectants, steam cleaners can play a crucial role in maintaining general hygiene in private households as well as in commercial and industrial applications.

*When carrying out thorough spot cleaning with the Kärcher steam cleaner, i.e. steam cleaning an area for 30 seconds with maximum vapour pressure, 99.999% of enveloped viruses such as corona or influenza viruses (excluding the Hepatitis B virus) were removed from typical, smooth household surfaces (based on a PVC surface; in accordance with EN 16615:2015-06); test microbe: Modified Vaccinia Ankara).

**When cleaning at a cleaning speed of 30 cm/s and using maximum vapour pressure, 99.99% of all typical household bacteria were removed from smooth, hard surfaces typically found in the home (Test microbe: Enterococcus hirae). 99.999% when using professional steam cleaners SG(V) in accordance with EN 16615:2015-06, PVC floors, test microbe: Enterococcus hirae ATCC 10541.


Steam suction hose with handle, 2 x steam suction tubes, floor nozzle, hand nozzle, cylinder wire brush, upholstery brush, power nozzle, detail nozzle

Product information

HAHN+KOLB Catalogue(X)

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SG 4/4



Power input

2300 W

Max. pressure

4 bar

Max. inlet temperature

145 °C

Length x width x height

475 x 320 x 275 mm

Cable length

7.5 m


8 kg

Gross Weight

11.197 kg

Art.-no. Cust. Mat. No.

Hazardous Material

Product information

HAHN+KOLB Catalogue

Catalogue page as PDF  | 

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Technical information