Tunnel Thrusters – Brunvoll Tunnel Thrusters are designed for the most demanding requirements and are used on all types of vessels.

The Brunvoll standard Tunnel Thruster, available in a range from 75 kW to 5.000 kW, is a rigid and robust construction with ring stiffeners and a modular motor foundation. Brunvoll focuses on excellent technical solutions to ensure that our thruster units can handle all the challengesof the marine enviroment. An advanced multipüle sealing system is used for the propeller shaft to provide an ideal environment for the working parts. Non-polluting sealing solutions available for use of Environmentally Acceptable Lubricants (EAL). Limited amounts of EAL required. The design complies with US EPA Vessel General Permit (VGP. Complete system deliveries. One source – one responsibility. For optimal performance Brunvoll takes responsibility for delivery complete systems and for providing support throughout the lifetime; from design, production, installation and commissioning, through daily operation.