Tunnel Thruster · Bow/Stern Thrusters
The TT-4500 stern tunnel thruster is a powerful propulsion solution designed for maritime applications. Manufactured by Kongsberg/Rolls-Royce, this model offers 4500 kW of power and generates a thrust of 540 kN with a diameter of 4100 mm. Common areas for inspection include the propeller blades, which should be checked for wear, cracks, deformation, and marine growth; the shaft seals to ensure they are not leaking or worn out; the bearing play to verify it remains within normal limits; hydraulic fluid condition to detect contamination or aging; and flexible hoses and connections for any signs of damage or corrosion. Regular maintenance is crucial for optimal performance and longevity.
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
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