Scrubber dryer B 90 R Adv Dose

Compact, high productivity ride-on scrubber dryer with advanced features

The B 90 R range provides simple, highly productive scrubbing and drying in a 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 and benefits
Scrubber dryer B 90 R Adv DOSE: Extremely easy to manoeuvre
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.
Scrubber dryer B 90 R Adv DOSE: Simple operation
Simple operation
The basic functions are controlled with the EASY switch. Operating hours are displayed. Roller brushes save water and detergent.
Scrubber dryer B 90 R Adv DOSE: Long operating time
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.
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.
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.
Built-in battery charger
  • Battery charger always on-board - versatile use - for a longer battery life
  • For adjustment of the brush speed.
Traction drive up to 6 km/h
  • Good climbing ability (with solenoid brake).
Fresh water level indicator
  • For constant fresh water level control during operation.
Straight or curved squeegee
  • For optimal suction on every floor. (please order separately).

Technical data

Working width, brush (mm) 550 - 750
Working width, vacuum (mm) 850 - 940
Fresh / waste 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
BatteryBattery (V/Ah) 24 / 170
Traction motor (W) 600
Waste Container (l) 5 / 7
Sound level (dB(A)) 69
Weight (with accessories) (kg) 275
Dimensions (L x W x H) (mm) 1450 x 720 x 1180


  • Traction drive
  • Battery and charger included
  • Battery and charger included
  • Charger
  • Automatic water stop
  • Dose
  • 2-tank system
Scrubber dryer B 90 R Adv DOSE
Scrubber dryer B 90 R Adv DOSE
Scrubber dryer B 90 R Adv DOSE
Cleaning agents