Product Description
Tornado BDSO 20/21 Stand-On Rider Auto Scrubber - 20in Compact Stand-On (TS120-S59-U)
Rider productivity in a compact stand-on design. The Tornado BDSO 20/21 is a commercial 20 inch stand-on floor scrubber that delivers the comfort and efficiency of a rider while maintaining the maneuverability needed for tight spaces, corridors, and standard-size doorways. Ideal for schools, healthcare facilities, retail, and commercial buildings that require fast, consistent cleaning with minimal training.
Key Features
- 20 inch cleaning path with 140 RPM agitation for effective daily scrubbing
- 48.5 lbs of down pressure for improved soil removal
- 90-degree squeegee rotation follows the machine on every turn
- Ultra-tight 53 inch turning radius for confined spaces
- Stand-on rider platform combines speed, comfort, and visibility
- Quiet operation under 70 dB for daytime cleaning
- Inline solution filter supports consistent solution flow
- Onboard charger for convenient charging anywhere
BDSO 20/21 Overview (Quick View)

Scrub Deck Option (Included in Price)
Your choice of cleaning head is included so the machine is configured for your floors.
- Option A (Recommended - Most Applications): Pad Driver (default)
- Option B: Brush (select based on floor type)
If you are unsure which option is best, email sales@monsterjanitorial.com with your floor type.
Product Specifications
- Model: TS120-S59-U (BDSO 20/21)
- Dimensions (L x W x H): 48 in x 27.5 in x 53 in
- Weight (without batteries): 377 lb
- Weight (with batteries): 540 lb
- Solution Tank: 14.5 gal
- Recovery Tank: 21 gal
- Squeegee Width: 27 in
- Cleaning Path: 20 in
- Brush Pressure: 48.5 lb
- Brush Speed: 140 RPM
- Brush Motor: 0.5 HP
- Vacuum Motor: 0.65 HP
- Vacuum Water Lift: 50 in
- Drive: Self-Propelled
- Turning Radius: 53 in
- System Voltage: 24V
- Run Time: 3-4 hours
- Charger: Onboard
- Battery Types: Lead Acid or AGM
- Sound Level: <70 dB
- Productivity (theoretical max): 22,000 sq ft/hr
Brochures and Manuals
Warranty
The Tornado BDSO 20/21 is covered by Tornado's Commercial Limited Manufacturer Warranty against defects in materials and workmanship under normal commercial use.
- Machine Parts: 4 Years
- Roto-Molded Components: 10 Years
- Labor: 2 Years
- TPPL Battery (if equipped): 3-Year Replacement Warranty
Full warranty terms: Tornado Commercial Warranty (PDF)
Other Details
Warranty Coverage: Machine Parts: 4-year limited warranty Roto-Molded Components: 10-year limited warranty Labor: 2-year limited labor allowance TPPL Battery (if equipped): 3-year replacement warranty Not Covered: Wear items including brushes, pads, squeegee blades, hoses, seals, and routine maintenance components Full Warranty Terms: Tornado Commercial Warranty (PDF) https://shop.monsterjanitorial.com/content/Tornado/Tornado_Commercial_Warranty_Update_03_10_2023.pdfProduct Videos
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