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Scrubber dryer B 90 R Classic

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

Part number: 1.161-307.0
Find your local Kärcher Center:

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 Classic: 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 Classic: 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 Classic: 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.
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).
Large battery compartment
  • For optional use of higher capacity batteries - for even longer use.
Good climbing ability and ground clearance
  • For easy transport and loading.
Corrosion-resistant flat pleated filter
  • Protects the turbine from premature failure.
Short and sleek design
  • Very agile and easy to manoeuver (despite large capacity).

Technical data

Working width, brush (mm) 550
Working width, vacuum (mm) 850
Fresh / waste water tank (l) 90 / 90
Theoretical area performance (m²/h) 4500
Practical area performance (m²/h) 2475
Brush contact pressure (g/cm²/kg) 20 / 315 / 28 / 35
BatteryBattery (V/Ah) 24 / 170
Battery voltage (V) 24
Battery capacity (Ah) 170
Motor rating (W) 2200
Traction motor (W) 600
Waste container (l) 5 / 7
Sound level (dB(A)) 69
Weight (with accessories) (kg) 272
Dimensions (L x W x H) (mm) 1450 x 800 x 1200


  • Traction drive
  • Battery and charger included
  • Battery type, maintenance-free
  • Automatic water stop
  • 2-tank system
Scrubber dryer B 90 R Classic

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