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Karcher B 90 R Adv Bp Ride-on Scrubber Drier


The Karcher B 90 R Adv Bp battery-operated ride-on scrubber drier impresses with FACT, compact design, high flexibility, an expanded tank capacity and variable working widths (55-75 cm).


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Everything is always under control: the Karcher B 90 R Adv B ride-on scrubber drier is equipped with Flexible Application Control Technology (FACT) for adjustment of the brush speed. In addition, operating hours and fresh water fill level are clearly visible on the display.

The device from the new generation of brush heads enables the use of roller or disc brush heads with different working widths (55-75 cm). For maximum flexibility. The brush is driven by a star attachment.

With a turning radius of just 1.6 m, the device is very flexible and offers excellent manoeuvrability. In addition, the machine has an expanded tank capacity and is especially easy to fill with fresh water.

Thanks to the compact dimensions, the device can be easily loaded and transported, for example in elevators. Openings on the battery compartments ensure sufficient ventilation, even during extended operating periods. An additional flat fold filter protects the turbine against corrosion. In short: the manoeuvrable alternative to any larger walk-behind machine!


Technical data

Brush working width (mm) 550
Working width, vacuuming (mm) 850
Fresh/dirty water tank (l) 90 / 90
Theoretical area performance (m²/h) 4500
Practical area performance (m²/h) 3375
Brush contact pressure (g/cm²/kg) 20 / 315 / 28 / 35
Battery (V) 24
Battery voltage (V) 24
Traction motor (W) 600
Weight (kg) 150
Dimensions (L × W × H) (mm) 1450 x 800 x 1200


  • Traction drive
  • Automatic water stop
  • 2-tank 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

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


Quick replacement

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


Long operating time

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

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