OB 28/20

OB 28/20

Walk-Behind Orbital Scrubber

Get powerful scrubbing performance and versatility with the OB 28/20 Walk-Behind Orbital Scrubber. Adjustable down pressure of up to 132 lbs. and powerful brush and vacuum motors leave floors clean and dry, while the strong 300W traction-drive motor provides effortless movement even up ramps up to a 10% grade. The 3530 RPM orbital brush speed provides chemical-free finish removal and significantly reduces water and chemical usage during daily cleaning, resulting in quicker dry times and eliminating the costs and hazards of chemicals. With durable construction and an industry-leading lifetime warranty on isolators, the OB 28/20 can be counted on for years to come.

Schedule A Demo

  • Rectangular 28”x14” scrub head reaches into corners and along edges for an even floor finish removal across the entire cleaning path, with non-marking bumper wheels to protect walls.
  • Minimal training required, with easy-to-use fingertip controls positioned at the user level.
  • Change or raise and lower the squeegee in seconds thanks to the easy-access, no-tools-required design and conveniently positioned squeegee control button.
  • The expertly engineered isolators reduce vibrations to the operator’s hands, resulting in less fatigue and greater productivity.
  • The large 20-gallon solution and 22-gallon recovery tanks are easy to fill and drain.
  • An onboard charger allows the machine to be charged anywhere an outlet is nearby.
  • ModelTS550-W28-U
    Dimensions (LxWxH)60" x 30" x 41"
    Weight (w/o batteries) 348 lbs
    Solution Tank Capacity20 gal
    Recovery Tank Capacity22 gal
    Tank ConstructionPolyethylene
    Squeegee Width39"
    Cleaning Path28"
    Brush PressureUp to 132 lbs
    Brush RPM3530
    Brush Motor700 W
    Productivity (per hour) Theoretical Max33,906 sq ft/hr
    Sound Level<70 dB(A)
    Vacuum Motor Power570 W
    Vacuum Motor Water Lift64"
    Drive TypeTraction Drive
    Motor Horsepower.4 HP
    System Voltage24 V
    Run Time3-4 hrs
    Charger TypeOnboard
    Battery TypesLead Acid, AGM


    Catalog #DescriptionImage
    TS550-W28-U Catalog Number
    48408020 Front Squeegee
    48408010 Rear Squeegee
    BK1428 Black Stripping Pad
    BL1428 Blue Cleaner Pad
    RD1428 Red Spray Buff Pad
    ECO1428 Maroon Eco Pad