Product Description
TASKI ULTIMAXX 1900
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
- Has a traction motor (self-propelled)
- 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
- Battery charger
- 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.
Squeegee Blade Options
- Standard Front Blade 28" – 4133980 Standard polyurethane front squeegee blade designed for excellent water pickup and long service life.
- Standard Rear Blade 28" – 4133981 Standard polyurethane rear squeegee blade engineered for reliable water recovery and streak-free drying.
- Optional Front Blade with Small Holes 28" – 4134767 Optional front blade featuring small recovery holes for improved water management under varying floor conditions.
- Optional Front Blade Without Holes 28" – 4134770 Smooth front blade without holes for specific floor surfaces and customized water recovery preferences.
- Optional Rear Linatex Blade 28" – 4134749 Premium Linatex rear squeegee blade designed for aggressive water recovery and demanding commercial floor conditions.
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 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.
Manufacturer Warranty
The TASKI ULITMAXX 1900 is backed by TASKI commercial equipment warranty coverage for added confidence and long-term facility support.
- Machine Coverage: 2 Years
- Parts & Labor: 1 Year
- Wear Items: 90 Days
Helpful Resources
Learn how to choose the right floor scrubber, understand key differences between cleaning systems, and maximize cleaning performance in your facility.
- Walk-Behind vs Ride-On Floor Scrubbers
- IntelliTrail benefits
- Orbital VS Disc Machines
- Cylindrical VS Disc Floor Scrubber
- Single VS Dual Machines
- AGM vs Gel vs Lithium vs Wet Batteries for Floor Scrubbers: Runtime Lifespan & Real-World Performance
- What Size Floor Scrubber Do I Need?
- How Many Square Feet Can a Floor Scrubber Clean Per Hour?
- Best Floor Scrubbers for Schools and Government Buildings
- What is a Twister Floor Pad
- Choosing Your Floor Pad
Frequently Asked Questions
Is the SD50 self-propelled?
Yes. It includes a powered drive system for easier operation and reduced fatigue.
Do I need to sweep before using this machine?
Yes. As a single disc scrubber, floors should be swept or vacuumed before cleaning.
How long can the machine run?
Typical runtime is 2 to 4 hours, depending on battery type and cleaning conditions.
What size area is it designed for?
Best for small to medium commercial spaces, while still capable of handling larger areas.
Which battery should I choose?
GEL is more cost-effective. Lithium-Ion offers faster charging and is better for multi-shift use.
What floors can it clean?
Tile, concrete, VCT, sealed floors, and other smooth hard surfaces.
Why Choose TASKI Floor Scrubbers?
TASKI is known for Swiss-engineered cleaning equipment designed to deliver smarter, more consistent results. These machines go beyond traditional scrubbers by using intelligent systems to optimize performance, reduce waste, and lower long-term costs.
- ✔ Smart Intelli technologies for better cleaning performance
- ✔ Lithium battery systems for longer runtime and faster charging
- ✔ Reduced water and chemical usage
- ✔ Designed for schools, healthcare, retail, and large facilities
- ✔ Lower total cost of ownership over time
Think of TASKI as the smart system of commercial cleaning equipment.
Institutional Purchasing Support
- D-U-N-S Number: 080901706
- UEI Number: U4TYL7A5LEN9
- EIN: 81-1773910
- Purchase orders accepted for approved schools, government agencies, and institutional buyers
- Tax-exempt account setup assistance available
- Bulk pricing and formal quote support available
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.
