Product Description
TASKI ULTIMAXX 1900 SD50 Auto Scrubber 20" | Walk-Behind Floor Scrubber Machine | SKU D1232821 / D1232822 / D1232823 / D1232824 / D1232825
The TASKI ULTIMAXX 1900 SD50 is a powerful 20-inch walk-behind auto scrubber designed for high-performance commercial floor cleaning. Featuring a single disc system with powered drive, this machine delivers strong, consistent cleaning results across large floor areas.
With an 11.5-gallon solution tank and up to 2 to 4 hours of run time, the ULTIMAXX 1900 SD50 is ideal for schools, healthcare facilities, retail stores, warehouses, and commercial buildings. This unit is available in multiple battery configurations, including GEL and lithium-ion options with BMS systems for improved performance.
Recommended Applications
- Schools and universities
- Hospitals and healthcare facilities
- Retail stores and shopping centers
- Warehouses and distribution centers
- Commercial buildings
Key Features
- Single disc scrubbing system for powerful floor cleaning
- Powered drive reduces operator fatigue
- Large tank capacity for longer cleaning cycles
- Quiet operation with TASKI whisper technology
- Durable construction for long-term commercial use
Best For
- Medium to large commercial facilities
- Daily maintenance cleaning
- Operators covering large cleaning areas
Not Ideal For
- Small tight spaces
- Heavy debris environments without pre-sweeping
Specifications
- Manufacturer Part Numbers: D1232821 / D1232822 / D1232823 / D1232824 / D1232825
- Machine Type: Walk-behind auto scrubber
- Scrubbing System: Single disc
- Working Width: 20 in. (50 cm)
- Solution Tank Capacity: 11.5 gallons (43 L)
- Run Time: 2 to 4 hours
- Cleaning Productivity: 24,219 sq. ft. per hour
- Weight (Machine Only): 203 lb (92 kg)
- Weight (Ready-to-Use, Gel): 423 lb (192 kg)
Cleaning Productivity
The TASKI ULTIMAXX 1900 SD50 delivers up to 24,219 square feet per hour, making it ideal for large commercial cleaning environments.
Free Demo Available
See the TASKI ULTIMAXX 1900 SD50 in action before you buy. We offer free on-site demonstrations so you can evaluate cleaning performance, ease of use, and productivity in your actual facility.
- Test real-world cleaning performance
- Evaluate battery run time and efficiency
- Compare single disc scrubbing results
- Ensure the right fit for your facility
To schedule your free demo, email sales@monsterjanitorial.com or call 956-772-4842.
Included with the Machine
- Battery system (based on selected configuration)
- Battery charger (matched to battery type)
- 50 cm (20") scrubbing brush
- 50 cm (20") pad driver
- Twister IntelliPads
- 720 mm squeegee assembly
- Integrated IntelliKey NFC access system
- TASKI whisper technology (low-noise operation)
Configuration Options
| Feature | GEL Kit D1232821 (Recommended) | Li-Ion 50AH D1232822 | Li-Ion 100AH D1232823 | BMS GEL 13A D1232824 | BMS Li-Ion 50AH 25A D1232825 |
|---|---|---|---|---|---|
| Battery Type | Gel | Lithium-Ion | Lithium-Ion | Gel (BMS) | Lithium-Ion (BMS) |
| Runtime | 2–4 hrs | 2–4 hrs |
3.5 hours (Eco Mode) 2.8 hours (Power Mode) |
2–4 hrs (improved efficiency) | 2–4 hrs (optimized output) |
| Charging Speed | Standard | Fast | Fast | Controlled (BMS) | Fast + Optimized (25A) |
| Maintenance | Standard | Low | Low | Lower than standard gel | Very low |
| Performance Consistency | Good | Very consistent | Very consistent | Improved charging control & longer battery life vs standard gel | Best performance |
| Best For | Standard daily cleaning | Upgrade from gel | Large areas / long shifts | Frequent gel users | High-demand facilities |
| Cost | Lowest | Medium | Higher | Medium | Highest |
Recommendation: Choose the GEL Kit (D1232821) for reliable everyday use, or upgrade to Li-Ion options for faster charging, lower maintenance, and better long-term performance. For demanding environments, the BMS Li-Ion 25A system (D1232825) delivers the highest efficiency and fastest charging.
Optional Accessories and Replacement Wear Parts
- Pad Driver 50 cm – 7510830
- Standard Brush 50 cm – 8504770
- Abrasive Brush 50 cm – 8505130
- Filling Hose – 8502830
Filters & Air Quality Options
- 7524965 – TASKI HEPA H13 Filter: Optional high-efficiency filter designed to improve indoor air quality and reduce fine dust during operation. Ideal for healthcare, schools, and sensitive environments.
Which Squeegee Blade Should I Use?
- 4133980 – Standard Front Blade: Ideal for everyday cleaning and consistent water flow across most commercial floors.
- 4133981 – Standard Rear Blade: Delivers reliable water pickup and streak-free drying for routine cleaning applications.
- 4134767 – Front Blade with Small Holes: Designed for improved solution control during scrubbing, helping maintain even cleaning coverage.
- 4134770 – Front Blade without Holes: Provides a stronger suction edge for maximum water recovery and faster drying floors.
- 4134749 – Rear Rubber Blade: Alternative rear blade option for facilities needing different material performance on specific floor types.
Why it matters: The TASKI ULTIMAXX 1900 SD50 features a high-performance squeegee system designed for excellent water pickup and fast drying results. Multiple blade options allow you to customize performance based on your facility, floor type, and cleaning conditions—helping you achieve consistent results across every area.
Recommended Chemicals
- Pioneer Eclipse Lumen L350 Neutral Cleaner
- Pioneer Eclipse Low-Foam Neutral Cleaner
- Karcher Heavy Duty Degreaser 8.698-154.0
Shop Cleaning Chemical Pods | Shop Auto Scrubber Chemicals
Manuals and Documents
- TASKI ULTIMAXX 1900 Economy Product Information Sheet
- TASKI ULTIMAXX 1900 Performance Product Information Sheet
- TASKI ULTIMAXX 1900 Accessories and Machine Data
- TASKI HEPA Filter Brochure
Parts Manual & Replacement Parts
View the official parts manual to identify replacement part numbers, then shop available parts on our store.
- Parts: 1 Year
- Labor: 1 Year
- Wear Items: 90 Days
Frequently Asked Questions
What is the difference between a single disc and dual disc scrubber?
A single disc scrubber like the ULTIMAXX 1900 SD50 uses one large brush or pad for focused cleaning and excellent maneuverability. A dual disc scrubber uses two brushes for wider coverage and higher productivity in larger areas.
Does the TASKI ULTIMAXX 1900 SD50 include a battery and charger?
Yes. All configurations include a battery system, charger, brush, pad driver, and Twister IntelliPads.
How long does the battery last?
Runtime varies by configuration. The Li-Ion 100Ah battery provides up to 3.5 hours in eco mode, while GEL and Li-Ion 50Ah options typically provide 2 to 4 hours of runtime depending on usage conditions.
What types of facilities is this machine best for?
This scrubber is ideal for schools, healthcare facilities, retail stores, offices, and commercial buildings where maneuverability and consistent daily cleaning are important.
Do I need to sweep before using this machine?
Yes. Single disc scrubbers are designed for scrubbing only, so floors should be swept or vacuumed beforehand for best results.
Is this machine self-propelled?
Yes. The SD50 features a powered drive system, making it easier to operate and reducing operator fatigue.
What size area is this machine designed for?
The ULTIMAXX 1900 SD50 is best suited for small to medium commercial spaces, while still capable of handling larger areas with efficient operation.
What is the solution tank size?
The machine features an 11.5-gallon (43 L) solution tank, allowing for extended cleaning time and fewer refills.
Institutional Purchasing Support
- D-U-N-S Number: 080901706
- UEI Number: U4TYL7A5LEN9
Why Choose Monster Janitorial?
- Authorized TASKI distributor
- Fast order processing
- 30-Day Returns
- Expert product support
Tax-Exempt Purchasing
Create an account and email your certificate to sales@monsterjanitorial.com.
Questions? Email sales@monsterjanitorial.com or call 956-772-4842.
