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Need parts or upgrades for your Tornado gear?
Check out our Tornado Parts & Accessories Collection for everything from replacement brushes and batteries to hoses — built to complete your setup.
You can typically expect your items to arrive within 4-7 business days, depending on your location and product availability.
Hassle-Free Returns
You can return unused, undamaged items in original packaging within 14 days of delivery.
Please see the full Return & Refunds Policy page for more information
Contact: support@centrasupply.com | (630) 634-7281
The Tornado® BD 20/11L Walk-Behind Auto Scrubber delivers powerful, economical cleaning in a compact and easy-to-operate design. Built to fit through standard doorways while still covering up to 17,969 sq. ft. per hour, this unit is ideal for facilities that need fast, consistent results without the complexity of larger machines.
With 48.5 lbs of down pressure and a 155 RPM brush speed, the BD 20/11L removes dirt instead of redistributing it—leaving floors clean, dry, and ready for traffic almost immediately. Quiet operation at under 70 dB(A) makes it suitable for daytime use in noise-sensitive environments, including schools, retail spaces, and healthcare facilities.
User-friendly controls and a no-tools maintenance design help reduce training time and minimize downtime, while optional battery configurations provide up to four hours of continuous cleaning.
Available in both Brush Assist and Traction Drive models to match your operation’s needs.
Tornado® BD 20/11L Walk-Behind Floor Scrubber (Model TS120-S45-U)
Standard squeegee assembly
Installed cylindrical brush or pad driver (varies by configuration)
On-board battery charger
Operator manual
Note:
Battery packages (Lead Acid or TPPL) are sold as selectable configuration options.
Compact design fits through standard doorways for easy maneuverability
48.5 lbs of brush pressure and 155 RPM for effective soil removal
Quick-change squeegee and brushes — no tools required
On-board charger for convenient charging anywhere
Quiet operation (<70 dB) for daytime cleaning
Optional battery types — Lead Acid or TPPL
Available drive options — Brush Assist or Traction Drive
Inline solution filter reduces clogging and improves flow
Low-profile frame enhances visibility around obstacles
Up to 4 hours of runtime with selected battery configuration
| Specification | Value |
|---|---|
| Model Number | BD 20/11L (Brush Assist) |
| SKU | TS120-S45-U |
| Dimensions (L × W × H) | 43" × 21" × 41" (without squeegee) |
| Weight (Empty w/out Battery) | 157 lbs |
| Weight (Empty w/ Battery) | 320 lbs |
| Cleaning Path | 20" |
| Squeegee Width | 31" |
| Solution Tank | 11 gal |
| Recovery Tank | 12 gal |
| Tank Construction | Polyethylene |
| Brush Pressure | 48.5 lbs |
| Brush Speed | 155 RPM |
| Brush Motor | 0.46 hp |
| Productivity (Max) | 17,969 sq. ft/hr |
| Sound Level | <70 dB(A) |
| Vacuum Motor | 0.6 hp |
| Water Lift | 50" |
| Drive Type | Brush/Pad Assist |
| System Voltage | 24 V |
| Run Time | 3–4 hrs |
| Charger Type | On-board |
| Battery Options | Lead Acid or TPPL (12NXS120) |
