We’re excited to share some great news!
Starting July 15th, all KeelCrab units equipped with a motorized brush will be shipped with the brand-new Summer 2025 upgrade — completely free of charge.
This enhanced version includes:
- Reinforced shaft and chassis upgrades for greater mechanical durability
- New Nylom bushings for smoother operation
- A powerful new motor delivering 3x torque and 2x rotation speed — going from 80 RPM (unloaded) to 160 RPM under load
These improvements bring a substantial leap in:
- Brushing efficiency
- Robot agility & maneuverability
- Overall reliability and performance
We believe this upgrade will significantly enhance your experience with KeelCrab and help you deliver even better results.
Vertical Motorized Brush REV4.0 — Technical Specifications (at nominal torque)
- Nominal Torque: 62.61 N·cm
- Rotation Speed: 169.63 RPM (≈ 17.76 rad/s)
- Current Draw: 880 mA
- Electric Power: 21.1 W
This configuration ensures optimal cleaning performance, energy efficiency, and reliable torque under load — ideal for maintaining consistent contact with hull surfaces during operation.






