| Models | Liberty SC50 X20D |
| Cleaning Path | 20 in (51 cm) |
| Scrub Deck | Disc |
| Brush Speed | 157 rpm |
| Solution Tank | 15 gal (57 L) |
| Recovery Tank | 14 gal (53 L) |
| System Voltage | 24 V |
| Battery Capacity (max) | 255 Ah |
| Max Speed, Autonomous | 2.35 mph (1.055 m/s) |
| Max Transport Speed, Manual | 3.1 mph forward, 1.62 mph reverse (5.0 / 2.6 km/h) |
| Productivity, Autonomous (theoretical) | 20,400 ft²/hr (1,895 m²/hr) |
| Sound Level | 63 dB(A) |
| Gradeability | 15% transport, 9% cleaning, 2% autonomous |
| Squeegee Width | 30.2 in (76.7 cm) |
| Minimum Aisle Turn (manual) | 62.7 in (159.2 cm) |
| Dimensions (L x W x H) | 53.3 x 30.0 x 56.8 in (135.5 x 76.1 x 144.1 cm) |
| Gross Weight | 1,057.1 lb (479.5 kg) with full solution tank, batteries and 165 lb operator |
| Protection Grade | IPX4 |
| Safety Certification | CSA/ANSI C22.2 No. 336-17 |
| Touchscreen | 15 in |
| Model Numbers | 56104506 |
Technical specs may include optional equipment that is not included with all units.
New Nilfisk Liberty SC50 X20D 20" Disc Stand-On Autonomous Floor Scrubber
Our Take (from the SES Sales Team)
“The Liberty SC50 is a 20-inch stand-on scrubber that can run itself. You drive a route once in CopyCat mode, or drive the perimeter in Fill-in mode and let the machine work out the interior, and it repeats the job while your team handles work that needs a person. It suits schools, hospitals, airports, retail and office buildings with large floors that get scrubbed on a schedule.
What stands out is the safety and reporting side. Nilfisk lists third-party robotic safety certification to CSA/ANSI C22.2 No. 336-17, an independent safety system with 360-degree sensors and drop-off detection, and cleaning reports that show where, when and by whom a job was done. A 15-inch touchscreen walks operators through setup, and Manual mode lets it work like a regular stand-on scrubber for spot jobs.
The trade-off is that autonomy pays off on repeatable routes. In autonomous mode it is limited to 2% grades and 2.35 mph, so cluttered or constantly changing areas may go faster with an operator. If that describes most of your floor, a conventional stand-on such as the Advance SC1500 is the simpler fit.”
A 20-inch disc stand-on scrubber that learns a route and cleans it on its own.
The Nilfisk Liberty SC50 X20D is an autonomous stand-on scrubber dryer with a 20-inch (51 cm) disc deck, a 15-gallon solution tank and a 14-gallon recovery tank, running on a 24 V system with 255 Ah battery capacity. Three modes cover the work: CopyCat replicates a route the operator drives once, Fill-in calculates the interior route from a driven perimeter, and Manual mode gives full control.
An array of 3D, 2D, infrared and depth sensors handles mapping (SLAM, with no pre-mapping) and obstacle detection, and an independent safety system can stop the machine. Nilfisk lists third-party certification to CSA/ANSI C22.2 No. 336-17. Autonomous productivity is rated at 20,400 sq ft per hour, Fill-in mode targets 99% coverage, and job reports show where, when and by whom cleaning was done.
Ready to work out of the box
What's included
- ✓255 Ah AGM battery pack
- ✓On-board charger
- ✓Pad holder
Features
- ✓CopyCat, Fill-in and Manual cleaning modes
- ✓Third-party robotic safety certification (CSA/ANSI C22.2 No. 336-17)
- ✓Independent safety system with 360-degree sensor coverage
- ✓15-inch touchscreen with step-by-step guidance
- ✓Cleaning job reports and real-time operator updates
Nilfisk Liberty SC50 X20D 20" Disc Stand-On Autonomous Floor Scrubber
Specifications
| Models | Liberty SC50 X20D |
| Cleaning Path | 20 in (51 cm) |
| Brush Speed | 157 rpm |
| Solution Tank | 15 gal (57 L) |
| Recovery Tank | 14 gal (53 L) |
| System Voltage | 24 V |
| Battery Capacity (max) | 255 Ah |
| Productivity, Autonomous (theoretical) | 20,400 ft²/hr (1,895 m²/hr) |
| Sound Level | 63 dB(A) |
| Squeegee Width | 30.2 in (76.7 cm) |
| Model Numbers | 56104506 |
Technical specs may include optional equipment that is not included with all units.
Talk it through with us
Not sure this is the right machine for your floors, building and shifts? Our equipment specialists can help you compare options. Call or chat with our team before you order.
