Don't miss out on offers, new products, and practical tips! Sign up for our newsletter today.

Fast shipping

Many payment options

Secure payment

    • Home & Garden
    • Commercial
    kaercher logo
    • Productshas more options on next element
      • Pressure Washers
        Pressure Washers
      • Autonomous
        Autonomous
      • Floor Scrubbers
        Floor Scrubbers
      • Floor Sweepers
        Floor Sweepers
      • Extractors
        Extractors
      • Vacuums
        Vacuums
      • Steam Cleaners
        Steam Cleaners
      • Floor Machines
        Floor Machines
      • Burnishers
        Burnishers
      • Specialty Equipment
        Specialty Equipment
      • Air Blower
        Air Blower
      • Dry Ice Cleaning
        Dry Ice Cleaning
      • Water Recovery Systems
        Water Recovery Systems
      • Jetters
        Jetters
      • Accessories
        Accessories
      • Detergents
        Detergents
    • Know-Howhas more options on next element
      • Hospitality
        Hospitality
      • Industry & Manufacturing
        Industry & Manufacturing
      • Building Service Contractors
        Building Service Contractors
      • Show All
    • Serviceshas more options on next element
      • Find a Local Dealer
        Find a Local Dealer
      • Find Service Support
        Find Service Support
      • Warranty & Repair
        Warranty & Repair
      • Downloads
        Downloads
      • Rental Solutions
        Rental Solutions
      • GSA Schedule and Government Sales
        GSA Schedule and Government Sales
      • Financing Programs
        Financing Programs
      • Kärcher FAQs
        Kärcher FAQs
    • Special Offershas more options on next element
      • Get the Equipment You Need with 0% Interest.
        Get the Equipment You Need with 0% Interest.
    Kärcher floor scrubber with grey body, black top, and visible red brush pad, designed for cleaning large surfaces.

    Awards and exclusive range

    IF Design Award 2023

    Floor scrubber

    B 50 W Bp ORB + O51 + AGM

    This device requires instruction

    Order number: 9.808-091.0

    AGM battery powered walk-behind floor scrubber cleans floors up to 19,805 sq ft/hr with 20-inch orbital brush, ideal for heavily textured floors. Compact and self-propelled, it handles tight spaces with ease.

    Request a Quote
    Drive type
    Battery
    Traction drive
    Traction motor
    Brush working width (in)
    20.07
    Vacuum working width (in)
    33.4
    Fresh/wastewater tank (gal)
    13.2 / 13.2
    Theoretical working capacity (ft²/hr)
    32937.57
    Practical working capacity (ft²/hr)
    19805.6
    Voltage (power supply for battery charger) (V)
    100 - 240
    Frequency (power supply for battery charger) (Hz)
    50 - 60
    Driving speed (mph)
    max. 3.7
    Brush speed (rpm)
    20
    Brush contact pressure (lb)
    79.3
    Aisle turning width (in)
    55.1
    Water consumption (cfm)
    0.08
    Sound pressure level (dB(A))
    65
    Amps (W)
    130
    Dimensions (L x W x H) (in)
    59.25 x 30.3 x 50

    What's Included

    • Disc brush, 2 Piece(s)
    • Battery charger
    • Squeegee, curved
    • Robust die-cast aluminum suction bar

    Equipment

    • Powerful traction drive
    • Battery type: low maintenance
    Rechargeable lithium-ion battery
    picto kik CMYK oth 01 EN CI20
    picto easy operation oth 1 EN CI15 110454 CMYK
    picto easy handling CMYK oth 01 EN CI20
    The B 50 W Bp ORB walk-behind floor scrubber is ideal for efficiently cleaning floors up to 19,805 sq ft/hr. Its compact design and durable brush head and squeegee make it perfect for cleaning in tight spaces. The O51 brush head is sustainable and saves water. It is ideal for cleaning heavily textured floors. The built-in AGM battery provides ample run time, and the wheel-drive system makes operation effortless. The machine also features auto-rinse and an optional auto-fill function for easy maintenance and care. Control settings and monitor performance remotely with the "Machine Connect" app. The B 50 W is also quiet, operating at only 65 dBA, ensuring minimal disruption in noise-sensitive environments. It comes equipped with a 20-inch brush head, providing efficient coverage for most cleaning tasks. The squeegee system is designed to effectively remove water from the floor to help prevent slips and falls. The machine is ergonomically designed to reduce strain on the operator, featuring an adjustable handle and easy-to-reach controls. Note: the AGM battery model of this series is not available in California.

    Manual

    Read the manual online

    Read online
    • Manual

      Manual

      Download PDF
    • Manual

      Manual

      Download PDF
    • Manual

      Manual

      Download PDF
    • Product Brochure

      Product Brochure

      Download PDF

    Newsletter signup banner

    Don't miss anything! Subscribe to the newsletter now.

    • Company
    • Careers
    • Sustainability
    • Newsroom
    • Contact Us
    • Online Shop USA
    • Visa
    • Mastercard
    • American Express
    • Discover
    • Apple Pay
    • Google Pay
    • Top Shop Award Logo
    • Imprint
    • Privacy Policy
    • Cookies Policy
    • Accessibility Statement
    • Product & Service Security Reporting
    • AI Labeling

    Kärcher North America
    6398 N. Kärcher Way
    Aurora, CO 80019

    Corporate Phone
    303-738-2400, 877-722-6555

    Home & Garden Support
    800-537-4129, Online Help

    Commercial Support
    800-444-7654

    About Kärcher

    • Company
    • Careers
    • Sustainability
    • Newsroom
    • Contact Us

    Social Media - Home & Garden

    Social Media - Commercial

    Seller Rating

    Online Shop

    • Online Shop USA

    Payment

    • Visa
    • Mastercard
    • American Express
    • Discover
    • Apple Pay
    • Google Pay

    Awards

    • Top Shop Award Logo

    Legal

    • Imprint
    • Privacy Policy
    • Cookies Policy
    • Accessibility Statement
    • Product & Service Security Reporting
    • AI Labeling

    Contact

    Kärcher North America
    6398 N. Kärcher Way
    Aurora, CO 80019

    Corporate Phone
    303-738-2400, 877-722-6555

    Home & Garden Support
    800-537-4129, Online Help

    Commercial Support
    800-444-7654

    SSL Secured

    © 2026 Kärcher North America