Planetary gearbox.
Propeller in stainless steel with self-cleaning profile.

• Rpm: 320 – 940 (50Hz) (380 – 1,130 (60Hz))
• Motor power: 1.5 – 25 kW (2 – 34 HP)
• Axial thrust: 230 – 5,396 N (52 – 1206 lb)
• Capacity: 643 – 10,138 m³/h (2,831 – 44,638 US gpm)
• Max working temp: 40 °C (104 °F)