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Karcher Center STS

B 90 R Adv

Compact, high productivity ride-on scrubber drier with advanced features
SKU: 1.161-309.0

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Product Description


The B 90 R range provides simple, highly productive scrubbing and drying ina compact ride-on package. The B 90 R features Kärcher’s interchangeable brush head system, making it possible to purchase one machine
and choose between roller or disc brushes in different working widths, with the option of retro-fitting a different brush head to better suit another application.
The B 90 R is available with a brush disc or roller head in 65cm width, or optional 75cm width. As well as four head options, the machine is available in three formats - the Classic model offering fixed settings for ease of use, the Advanced model featuring variable suction, brush speed and contact pressure, and the Advanced DOSE model featuring Kärcher’s DOSE detergent metering system


Features & Benefits

Extremely easy to manoeuvre
The extra short and sleek design makes this machine extremely agile and easy to manoeuvre – despite the large water capacity.
90° steering allows on-the-spot turning.
A low centre of gravity guarantees good wheel grip.

Simple operation
The basic functions are controlled with the EASY switch.
Operating hours are displayed.
Roller brushes save water and detergent.

Long operating time
Two turbine power settings - save energy in the WHISPER setting.
Large compartment for large battery capacity. Pack models include maintenance-free gel batteries.

Quick replacement
The brush head is easy to replace without tools.
With D-heads , the brush or pad driver plate can be ejected per foot pedal.
R-head rollers can be changed in seconds.

EASY switch
Easy to use. The basic functions are controlled with the EASY switch. All important information is shown and adjustments programmed via the display.

For adjustment of the brush speed.

Traction drive up to 6 km/h
Good climbing ability (with solenoid brake).

Straight or curved squeegee
For optimal suction on every floor. (please order separately).

Built-in battery charger
Battery charger always on-board - versatile use - for a longer battery life

Fresh water level indicator
For constant fresh water level control during operation.

Standard accessories

  • Traction drive
  • Battery and charger on board
  • Automatic water stop
  • Battery type, maintenance-free
  • 2-tank system

Additional Information

Additional Information

Model Karcher B 90 R Adv Scrubber drier
Brush Working Width (mm) 550
Vacuum Working Width (mm) 850
Theoretical area performance (m²/h) 4500
Max Area Performance m2/h No
Motor Rating W 2200
Waste container (l) 7
Brush Contact Pressure g/cm2 No
Battery Voltage (V) 24
Battery Capacity (Ah) 170
Brush Rotation Speed rpm No
Voltage V No
Tank Litre 90/90
Dimensions (L x W x H) 1450 x 800 x 1200


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