Columbus RA43B40 Walk-Behind Floor Scrubber Kit
Key Features & Benefits of the Columbus RA 43 B 40
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Dual 40L Tank Capacity
Large 40L solution and 45L recovery tanks enable longer cleaning runs with fewer refills. -
Quiet & Efficient Operation
Low-noise (60 dB) performance is ideal for use in hospitals, schools, and retail environments. -
Quick-Stop Safety Function
Automatically stops brush and water flow when the handle is released, ensuring user safety and water control. -
Superior Edge & Corner Cleaning
Patented squeegee design provides excellent water pickup and effective cleaning along walls and tight spaces. -
User-Friendly Handling
Ergonomic adjustable handle, intuitive controls, and tilting dolly wheel ensure easy use and transport. -
Hygienic Design for HACCP Compliance
Tool-free tank access and optional antibacterial noBAC® coating support high hygiene standards. -
Optional Integrated Upgrades
Compatible with chemical dosing, electronic water control, and on-board charger options for added convenience.

Compare The Pair: Columbus RA 43 B 40 vs Columbus RA 43 B 20
The RA 43 B 40 and RA 43 B 20 share the same 430mm scrub width and professional cleaning performance, but the key difference lies in tank capacity and intended workload.
Both machines deliver the same Columbus quality and streak-free results, the right choice simply depends on how much area you need to cover and how long you want to clean without stopping.
Columbus RA 43 B 40
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40L solution tank (larger capacity)
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Longer uninterrupted cleaning time
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Better suited to medium-sized areas
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Ideal where productivity and fewer refill stops matter
Columbus RA 43 B 20
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20L solution tank (more compact design)
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Lighter and more manoeuvrable
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Perfect for smaller spaces and tighter layouts
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Easier transport and storage
Which one should you choose?
Choose the RA 43 B 40 if you regularly clean medium-sized open areas and want to minimise downtime from refilling. It’s built for higher productivity and longer cleaning cycles.
Choose the RA 43 B 20 if you need maximum agility in tighter environments or if storage space is limited. It’s compact, efficient, and ideal for shorter cleaning tasks.

Columbus RA 43 B 40 Technical Specifications
- 24V Battery System (76–105 Ah Gel Battery)
- 43 cm Cleaning Width
- 735 mm Suction Width
- Up to 1,720 m²/h Coverage Rate
- 40 L Solution Tank / 45 L Recovery Tank
- 180 rpm Brush Speed
- 24 kg Brush Pressure
- 125 mbar Suction Power
- 60 dB(A) Operating Noise
- Weight (Empty): 78.4 kg
- Dimensions: 1190 × 510 × 980 mm
- Made in Germany
Columbus RA 43 B 40 Manual
Operator's Manual
Parts List
Brochure
Columbus RA 43 B 40 Manual
Columbus RA 43 B 40 Parts
Columbus RA 43 B 40 Brochure